diff --git a/1000-hours/sounds-of-american-english/2.1.3-ʌ.md b/1000-hours/sounds-of-american-english/2.1.3-ʌ.md
index a5f52072..5596182d 100644
--- a/1000-hours/sounds-of-american-english/2.1.3-ʌ.md
+++ b/1000-hours/sounds-of-american-english/2.1.3-ʌ.md
@@ -35,51 +35,51 @@ In American English, the British ɑː sound is pronounc
### ʌ
* **u**
- - sun sʌn
- - cup kʌp
- - but bʌt
+ * sun sʌn
+ * cup kʌp
+ * but bʌt
* **o**
- - son sʌn
- - comfort ˈkʌm.fɚt
- - money ˈmʌn.i
+ * son sʌn
+ * comfort ˈkʌm.fɚt
+ * money ˈmʌn.i
* **ou**
- - young jʌŋ
- - double ˈdʌb.əl
- - country ˈkʌn.tri
+ * young jʌŋ
+ * double ˈdʌb.əl
+ * country ˈkʌn.tri
* **oo**
- - blood blʌd
- - flood flʌd
+ * blood blʌd
+ * flood flʌd
### ɑː (equivalent to British ɒ)
* **a**
- - father ˈfɑː.ðɚ
- - watch wɑːtʃ
- - wasp wɑːsp
+ * father ˈfɑː.ðɚ
+ * watch wɑːtʃ
+ * wasp wɑːsp
* **al**
- - almond ˈɑːl.mənd
- - balm bɑːm
- - palm pɑːm
+ * almond ˈɑːl.mənd
+ * balm bɑːm
+ * palm pɑːm
* **au**
- - because bɪˈkɑːz
- - clause klɑːz
- - paunch pɑːntʃ
+ * because bɪˈkɑːz
+ * clause klɑːz
+ * paunch pɑːntʃ
* **aw**
- - drawn drɑːn
- - awning ˈɑː.nɪŋ
- - law lɑː
+ * drawn drɑːn
+ * awning ˈɑː.nɪŋ
+ * law lɑː
* **o**
- - hot hɑːt
- - dog dɑːɡ
- - log lɑːɡ
+ * hot hɑːt
+ * dog dɑːɡ
+ * log lɑːɡ
* **ough**
- - bought bɑːt
- - thought θɑːt
- - fought fɑːt
+ * bought bɑːt
+ * thought θɑːt
+ * fought fɑːt
### ɑːr
* **ar**
- - car kɑːr
- - far fɑːr
- - start stɑːrt
+ * car kɑːr
+ * far fɑːr
+ * start stɑːrt
diff --git a/1000-hours/sounds-of-american-english/2.1.4-e.md b/1000-hours/sounds-of-american-english/2.1.4-e.md
index 287773c9..380a2e22 100644
--- a/1000-hours/sounds-of-american-english/2.1.4-e.md
+++ b/1000-hours/sounds-of-american-english/2.1.4-e.md
@@ -35,32 +35,32 @@ The first point is relatively more important. Try saying these two words: *apple
### e
* **e**
- - bed bed
- - guess ɡes
- - pet pet
+ * bed bed
+ * guess ɡes
+ * pet pet
* **ea**
- - bread bred
- - dead ded
- - lead liːd
+ * bread bred
+ * dead ded
+ * lead liːd
* **a**
- - any ˈen.i
- - many ˈmen.i
- - says sez
+ * any ˈen.i
+ * many ˈmen.i
+ * says sez
* **ai**
- - again əˈɡen
- - said sed
+ * again əˈɡen
+ * said sed
* **ie**
- - friend frend
+ * friend frend
### æ
* **a**
- - apple ˈæp.əl
- - cat kæt
- - glass ɡlæs
+ * apple ˈæp.əl
+ * cat kæt
+ * glass ɡlæs
* **al**
- - calf kæf
- - half hæf
+ * calf kæf
+ * half hæf
* **au**
- - laugh læf
- - draught dræft
+ * laugh læf
+ * draught dræft
diff --git a/1000-hours/sounds-of-american-english/2.1.5-ə.md b/1000-hours/sounds-of-american-english/2.1.5-ə.md
index e92f6e1f..88a753bf 100644
--- a/1000-hours/sounds-of-american-english/2.1.5-ə.md
+++ b/1000-hours/sounds-of-american-english/2.1.5-ə.md
@@ -42,74 +42,73 @@ Keep in mind that in fluent, natural speech, many unstressed vowel sounds in syl
## 拼写(Spellings)
-
### ə
* **a**
- - about əˈbaʊt
- - banana bəˈnæn.ə
- - sofa ˈsoʊ.fə
+ * about əˈbaʊt
+ * banana bəˈnæn.ə
+ * sofa ˈsoʊ.fə
* **e**
- - open ˈoʊ.pən
- - problem ˈprɑː.bləm
- - synthesis ˈsɪn.θə.sɪs
+ * open ˈoʊ.pən
+ * problem ˈprɑː.bləm
+ * synthesis ˈsɪn.θə.sɪs
* **i**
- - animal ˈæn.ɪ.məl
- - president ˈprez.ɪ.dənt
- - pupil ˈpjuː.pəl
+ * animal ˈæn.ɪ.məl
+ * president ˈprez.ɪ.dənt
+ * pupil ˈpjuː.pəl
* **o**
- - bacon ˈbeɪ.kən
- - lesson ˈles.ən
- - pilot ˈpaɪ.lət
+ * bacon ˈbeɪ.kən
+ * lesson ˈles.ən
+ * pilot ˈpaɪ.lət
* **u**
- - circus ˈsɝː.kəs
- - medium ˈmiː.di.əm
- - support səˈpɔːrt
+ * circus ˈsɝː.kəs
+ * medium ˈmiː.di.əm
+ * support səˈpɔːrt
* **ou**
- - courageous kəˈreɪ.dʒəs
- - famous ˈfeɪ.məs
- - humorous ˈhjuː.mə.rəs
+ * courageous kəˈreɪ.dʒəs
+ * famous ˈfeɪ.məs
+ * humorous ˈhjuː.mə.rəs
### ɚ
* **er**
- - better ˈbet̬.ɚ
- - butter ˈbʌt̬.ɚ
- - teacher ˈtiː.tʃɚ
+ * better ˈbet̬.ɚ
+ * butter ˈbʌt̬.ɚ
+ * teacher ˈtiː.tʃɚ
* **or**
- - actor ˈæk.tɚ
- - doctor ˈdɑːk.tɚ
- - editor ˈed.ɪ.t̬ɚ
+ * actor ˈæk.tɚ
+ * doctor ˈdɑːk.tɚ
+ * editor ˈed.ɪ.t̬ɚ
* **ar**
- - beggar ˈbeɡ.ɚ
- - burglar ˈbɝː.ɡlɚ
- - collar ˈkɑː.lɚ
+ * beggar ˈbeɡ.ɚ
+ * burglar ˈbɝː.ɡlɚ
+ * collar ˈkɑː.lɚ
* **ure**
- - culture ˈkʌl.tʃɚ
- - figure ˈfɪɡ.jɚ
- - pressure ˈpreʃ.ɚ
+ * culture ˈkʌl.tʃɚ
+ * figure ˈfɪɡ.jɚ
+ * pressure ˈpreʃ.ɚ
### ɝː
* **er**
- - her hɝː
- - term tɝːm
- - clerk klɝːk
+ * her hɝː
+ * term tɝːm
+ * clerk klɝːk
* **ear**
- - earn ɝːn
- - earth ɝːθ
- - heard hɝːd
+ * earn ɝːn
+ * earth ɝːθ
+ * heard hɝːd
* **ir**
- - bird bɝːd
- - first ˈfɝːst
- - stir stɝː
+ * bird bɝːd
+ * first ˈfɝːst
+ * stir stɝː
* **ur**
- - burn bɝːn
- - nurse nɝːs
- - turn tɝːn
+ * burn bɝːn
+ * nurse nɝːs
+ * turn tɝːn
* **or**
- - word wɝːd
- - world wɝːld
- - worse wɝːs
+ * word wɝːd
+ * world wɝːld
+ * worse wɝːs
[^1]: This illustration comes from https://globalspeechtherapy.com/how-to-teach-the-r-sound/
diff --git a/1000-hours/sounds-of-american-english/2.1.6-i.md b/1000-hours/sounds-of-american-english/2.1.6-i.md
index 536a5d27..e4dc5e1f 100644
--- a/1000-hours/sounds-of-american-english/2.1.6-i.md
+++ b/1000-hours/sounds-of-american-english/2.1.6-i.md
@@ -15,44 +15,43 @@ In addition, this sound actually has a third variation. When
### ɪ
* **i**
- - bit bɪt
- - sit sɪt
- - hill hɪl
+ * bit bɪt
+ * sit sɪt
+ * hill hɪl
* **y**
- - gym dʒɪm
- - myth mɪθ
- - symbol ˈsɪm.bəl
+ * gym dʒɪm
+ * myth mɪθ
+ * symbol ˈsɪm.bəl
* **e**
- - pretty ˈprɪt̬.i
- - English ˈɪŋ.ɡlɪʃ
+ * pretty ˈprɪt̬.i
+ * English ˈɪŋ.ɡlɪʃ
* **ui**
- - build bɪld
- - guitar ɡɪˈtɑːr
- - guilty ˈɡɪl.ti
+ * build bɪld
+ * guitar ɡɪˈtɑːr
+ * guilty ˈɡɪl.ti
### iː
* **ee**
- - bee biː
- - see siː
- - tree triː
+ * bee biː
+ * see siː
+ * tree triː
* **ea**
- - eat iːt
- - beach biːtʃ
- - leave liːv
+ * eat iːt
+ * beach biːtʃ
+ * leave liːv
* **e**
- - he hiː
- - me miː
- - she ʃiː
+ * he hiː
+ * me miː
+ * she ʃiː
* **ie**
- - believe bɪˈliːv
- - field fiːld
- - chief tʃiːf
+ * believe bɪˈliːv
+ * field fiːld
+ * chief tʃiːf
### i
* **y**
- - happy ˈhæp.i
- - certainly ˈsɝː.tən.li
- - unexpectedly ˌʌn.ɪkˈspek.tɪd.li
-
+ * happy ˈhæp.i
+ * certainly ˈsɝː.tən.li
+ * unexpectedly ˌʌn.ɪkˈspek.tɪd.li
diff --git a/1000-hours/sounds-of-american-english/2.1.7-u.md b/1000-hours/sounds-of-american-english/2.1.7-u.md
index ba01e1e8..e62b536f 100644
--- a/1000-hours/sounds-of-american-english/2.1.7-u.md
+++ b/1000-hours/sounds-of-american-english/2.1.7-u.md
@@ -13,36 +13,35 @@ Additionally, in the Cambridge English Pronouncing Dictionary (CEPD), when the s
### ʊ
* **u**
- - bush bʊʃ
- - push pʊʃ
- - put pʊt
+ * bush bʊʃ
+ * push pʊʃ
+ * put pʊt
* **oo**
- - book bʊk
- - good ɡʊd
- - wood wʊd
+ * book bʊk
+ * good ɡʊd
+ * wood wʊd
* **ou**
- - could kʊd
- - should ʃʊd
- - would wʊd
+ * could kʊd
+ * should ʃʊd
+ * would wʊd
### uː
* **ew**
- - chew tʃuː
- - drew druː
+ * chew tʃuː
+ * drew druː
* **o**
- - do duː
- - to tuː
- - who huː
+ * do duː
+ * to tuː
+ * who huː
* **oo**
- - boot buːt
- - food fuːd
- - moon muːn
+ * boot buːt
+ * food fuːd
+ * moon muːn
* **u**
- - June dʒuːn
- - rule ruːl
+ * June dʒuːn
+ * rule ruːl
* **ue**
- - glue ɡluː
- - true truː
-
+ * glue ɡluː
+ * true truː
diff --git a/1000-hours/sounds-of-american-english/2.1.8-ɔ.md b/1000-hours/sounds-of-american-english/2.1.8-ɔ.md
index c9b8fef4..11a9370a 100644
--- a/1000-hours/sounds-of-american-english/2.1.8-ɔ.md
+++ b/1000-hours/sounds-of-american-english/2.1.8-ɔ.md
@@ -27,66 +27,66 @@ Additionally, in *stressed* syllables, ɔː might be rh
### ɑː (equivalent to British ɒ)
* **a**
- - father ˈfɑː.ðɚ
- - watch wɑːtʃ
- - wasp wɑːsp
+ * father ˈfɑː.ðɚ
+ * watch wɑːtʃ
+ * wasp wɑːsp
* **al**
- - almond ˈɑːl.mənd
- - balm bɑːm
- - palm pɑːm
+ * almond ˈɑːl.mənd
+ * balm bɑːm
+ * palm pɑːm
* **au**
- - because bɪˈkɑːz
- - clause klɑːz
- - paunch pɑːntʃ
+ * because bɪˈkɑːz
+ * clause klɑːz
+ * paunch pɑːntʃ
* **aw**
- - drawn drɑːn
- - awning ˈɑː.nɪŋ
- - law lɑː
+ * drawn drɑːn
+ * awning ˈɑː.nɪŋ
+ * law lɑː
* **o**
- - hot hɑːt
- - dog dɑːɡ
- - log lɑːɡ
+ * hot hɑːt
+ * dog dɑːɡ
+ * log lɑːɡ
* **ough**
- - bought bɑːt
- - thought θɑːt
- - fought fɑːt
+ * bought bɑːt
+ * thought θɑːt
+ * fought fɑːt
### ɔː
* **al**
- - palsy ˈpɔːl.zi
- - saltine sɔːlˈtiːn
- - wall wɑːl
+ * palsy ˈpɔːl.zi
+ * saltine sɔːlˈtiːn
+ * wall wɑːl
* **au**
- - aurora ɔːˈrɔːr.ə
- - caudal ˈkɔː.dəl
- - saute sɔːˈteɪ
+ * aurora ɔːˈrɔːr.ə
+ * caudal ˈkɔː.dəl
+ * saute sɔːˈteɪ
* **aw**
- - draw drɔː
- - saw sɔː
+ * draw drɔː
+ * saw sɔː
* **o**
- - boring ˈbɔː.rɪŋ
- - orange ˈɔːr.ɪndʒ
- - inventory ˈɪn.vən.tɔːr.i
+ * boring ˈbɔː.rɪŋ
+ * orange ˈɔːr.ɪndʒ
+ * inventory ˈɪn.vən.tɔːr.i
### ɔːr
* **or**
- - fork fɔːrk
- - horse hɔːrs
- - short ʃɔːrt
+ * fork fɔːrk
+ * horse hɔːrs
+ * short ʃɔːrt
* **oar**
- - board bɔːrd
- - soar sɔːr
- - roar rɔːr
+ * board bɔːrd
+ * soar sɔːr
+ * roar rɔːr
* **our**
- - four fɔːr
- - pour pɔːr
+ * four fɔːr
+ * pour pɔːr
* **ore**
- - core kɔːr
- - more mɔːr
- - shore ʃɔːr
+ * core kɔːr
+ * more mɔːr
+ * shore ʃɔːr
* **oor**
- - door dɔːr
- - floor flɔːr
+ * door dɔːr
+ * floor flɔːr
diff --git a/1000-hours/sounds-of-american-english/2.1.9-aɪ.md b/1000-hours/sounds-of-american-english/2.1.9-aɪ.md
index aec07366..6e7c65b9 100644
--- a/1000-hours/sounds-of-american-english/2.1.9-aɪ.md
+++ b/1000-hours/sounds-of-american-english/2.1.9-aɪ.md
@@ -36,142 +36,141 @@ When pronouncing them, it's crucial to draw out the sounds - because they're tak
## 拼写(Spellings)
-
### aɪ
* **i**
- - align əˈlaɪn
- - ice aɪs
- - spider ˈspaɪ.dɚ
+ * align əˈlaɪn
+ * ice aɪs
+ * spider ˈspaɪ.dɚ
* **ie**
- - lies laɪ
- - pie paɪ
- - tie taɪ
+ * lies laɪ
+ * pie paɪ
+ * tie taɪ
* **igh**
- - high haɪ
- - light laɪt
- - night naɪt
+ * high haɪ
+ * light laɪt
+ * night naɪt
* **uy**
- - buy baɪ
- - guy ɡaɪ
+ * buy baɪ
+ * guy ɡaɪ
* **y**
- - cry kraɪ
- - fly flaɪ
- - supply səˈplaɪ
+ * cry kraɪ
+ * fly flaɪ
+ * supply səˈplaɪ
### eɪ
* **a**
- - cake keɪk
- - make meɪk
- - table ˈteɪ.bəl
+ * cake keɪk
+ * make meɪk
+ * table ˈteɪ.bəl
* **ai**
- - paint peɪnt
- - rain reɪn
- - train reɪn
+ * paint peɪnt
+ * rain reɪn
+ * train reɪn
* **ay**
- - day deɪ
- - play pleɪ
- - stay steɪ
+ * day deɪ
+ * play pleɪ
+ * stay steɪ
* **ea**
- - break breɪk
- - great ɡreɪt
- - steak steɪk
+ * break breɪk
+ * great ɡreɪt
+ * steak steɪk
* **ei**/**eigh**
- - eight eɪt
- - reign reɪn
- - vein veɪn
- - weight weɪt
+ * eight eɪt
+ * reign reɪn
+ * vein veɪn
+ * weight weɪt
* **ey**
- - grey ɡreɪ
- - survey ˈsɝː.veɪ
- - they ðeɪ
+ * grey ɡreɪ
+ * survey ˈsɝː.veɪ
+ * they ðeɪ
### ɔɪ
* **oi**
- - join dʒɔɪn
- - voice vɔɪs
+ * join dʒɔɪn
+ * voice vɔɪs
* **oy**
- - boy bɔɪ
- - joy dʒɔɪ
- - toy tɔɪ
+ * boy bɔɪ
+ * joy dʒɔɪ
+ * toy tɔɪ
### aʊ
* **au**
- - kraut kraʊt
+ * kraut kraʊt
* **ou**
- - house haʊs
- - out aʊt
+ * house haʊs
+ * out aʊt
* **ow**
- - brown braʊn
- - cow kaʊ
- - flower ˈflaʊ.ɚ
+ * brown braʊn
+ * cow kaʊ
+ * flower ˈflaʊ.ɚ
### oʊ
* **o**
- - go ɡoʊ
- - no noʊ
- - so soʊ
+ * go ɡoʊ
+ * no noʊ
+ * so soʊ
* **oa**
- - boat boʊt
- - road roʊd
- - soap soʊp
+ * boat boʊt
+ * road roʊd
+ * soap soʊp
* **oe**
- - Joe dʒoʊ
- - foe foʊ
- - toe toʊ
+ * Joe dʒoʊ
+ * foe foʊ
+ * toe toʊ
* **ow**
- - blow bloʊ
- - grow ɡroʊ
- - show ʃoʊ
+ * blow bloʊ
+ * grow ɡroʊ
+ * show ʃoʊ
* **ough**
- - though ðoʊ
- - dough doʊ
+ * though ðoʊ
+ * dough doʊ
* **ew**
- - sew soʊ
+ * sew soʊ
### er
* **ear**
- - bear ber
+ * bear ber
* **air**
- - air er
- - fair er
- - pair er
+ * air er
+ * fair er
+ * pair er
* **are**
- - care ker
- - fare fer
- - ware wer
+ * care ker
+ * fare fer
+ * ware wer
### ɪr
* **eer**
- - cheer tʃɪr
- - deer dɪr
- - steer stɪr
+ * cheer tʃɪr
+ * deer dɪr
+ * steer stɪr
* **ear**
- - clear klɪr
- - fear fɪr
- - near nɪr
+ * clear klɪr
+ * fear fɪr
+ * near nɪr
* **ier**
- - fierce fɪrs
- - pier pɪr
+ * fierce fɪrs
+ * pier pɪr
* **eir**
- - weird wɪrd
+ * weird wɪrd
### ʊr
* **ure**
- - cure kjʊr
- - pure pjʊr
- - sure ʃʊr
+ * cure kjʊr
+ * pure pjʊr
+ * sure ʃʊr
* **our**
- - tour tʊr
- - velour vəˈlʊr
- - your jʊr
+ * tour tʊr
+ * velour vəˈlʊr
+ * your jʊr
* **oor**
- - poor pʊr
- - moor mʊr
+ * poor pʊr
+ * moor mʊr
diff --git a/1000-hours/sounds-of-american-english/2.2.10-tʃdʒ.md b/1000-hours/sounds-of-american-english/2.2.10-tʃdʒ.md
index b2c4fade..bf922438 100644
--- a/1000-hours/sounds-of-american-english/2.2.10-tʃdʒ.md
+++ b/1000-hours/sounds-of-american-english/2.2.10-tʃdʒ.md
@@ -20,33 +20,32 @@ To get your tongue used to this position, it's a good idea to practice repeatedl
### ʧ
* **ch**
- - charm tʃɑːrm
- - church tʃɝːtʃ
- - teach tiːtʃ
+ * charm tʃɑːrm
+ * church tʃɝːtʃ
+ * teach tiːtʃ
* **tch**
- - match mætʃ
- - pitch pɪtʃ
- - watch wɑːtʃ
+ * match mætʃ
+ * pitch pɪtʃ
+ * watch wɑːtʃ
* **t** (+ure)
- - creature ˈkriː.tʃɚ
- - future ˈfjuː.tʃɚ
- - nature ˈneɪ.tʃɚ
+ * creature ˈkriː.tʃɚ
+ * future ˈfjuː.tʃɚ
+ * nature ˈneɪ.tʃɚ
### dʒ
* **d**
- - soldier ˈsoʊl.dʒɚ
- - procedure prəˈsiː.dʒɚ
+ * soldier ˈsoʊl.dʒɚ
+ * procedure prəˈsiː.dʒɚ
* **g**
- - gentle ˈdʒen.t̬əl
- - giant ˈdʒaɪ.ənt
- - rage reɪdʒ
+ * gentle ˈdʒen.t̬əl
+ * giant ˈdʒaɪ.ənt
+ * rage reɪdʒ
* **dg**
- - badge bædʒ
- - bridge brɪdʒ
- - judge dʒʌdʒ
+ * badge bædʒ
+ * bridge brɪdʒ
+ * judge dʒʌdʒ
* **j**
- - job dʒɑːb
- - joy dʒɔɪ
- - jump dʒʌmp
-
+ * job dʒɑːb
+ * joy dʒɔɪ
+ * jump dʒʌmp
diff --git a/1000-hours/sounds-of-american-english/2.2.11-trdr.md b/1000-hours/sounds-of-american-english/2.2.11-trdr.md
index 0b590d74..73ada864 100644
--- a/1000-hours/sounds-of-american-english/2.2.11-trdr.md
+++ b/1000-hours/sounds-of-american-english/2.2.11-trdr.md
@@ -11,13 +11,15 @@ People from many regions, guided by the habits of their native languages, may pr
## 拼写(Spellings)
### tr
+
* **tr**
- - track træk
- - tree triː
- - trick trɪk
+ * track træk
+ * tree triː
+ * trick trɪk
### dr
+
* **dr**
- - drive draɪv
- - dream driːm
- - drink drɪŋk
+ * drive draɪv
+ * dream driːm
+ * drink drɪŋk
diff --git a/1000-hours/sounds-of-american-english/2.2.12-tsdz.md b/1000-hours/sounds-of-american-english/2.2.12-tsdz.md
index 527206b1..88a3bd29 100644
--- a/1000-hours/sounds-of-american-english/2.2.12-tsdz.md
+++ b/1000-hours/sounds-of-american-english/2.2.12-tsdz.md
@@ -13,13 +13,15 @@ The word *students* ˈstudəntsts
+
* **ts**
- - clients ˈklaɪ.ənts
- - students ˈstuː.dənts
- - treats triːts
+ * clients ˈklaɪ.ənts
+ * students ˈstuː.dənts
+ * treats triːts
### dz
+
* **ds**
- - deeds diːdz
- - records rɪˈkɔːrdz
- - words wɝːdz
+ * deeds diːdz
+ * records rɪˈkɔːrdz
+ * words wɝːdz
diff --git a/1000-hours/sounds-of-american-english/2.2.13-mnŋ.md b/1000-hours/sounds-of-american-english/2.2.13-mnŋ.md
index 3470613d..34bfe746 100644
--- a/1000-hours/sounds-of-american-english/2.2.13-mnŋ.md
+++ b/1000-hours/sounds-of-american-english/2.2.13-mnŋ.md
@@ -28,31 +28,30 @@ Additionally, when the vowel sound æ comes before m
* **m**
- - army ˈɑːr.mi
- - mob mɑːb
- - mom mɑːm
+ * army ˈɑːr.mi
+ * mob mɑːb
+ * mom mɑːm
### n
* **n**
- - mind maɪnd
- - night naɪt
- - nine naɪn
+ * mind maɪnd
+ * night naɪt
+ * nine naɪn
* **kn**
- - know noʊ
- - knight naɪt
+ * know noʊ
+ * knight naɪt
* **gn**
- - gnaw nɑː
- - gnome noʊm
+ * gnaw nɑː
+ * gnome noʊm
### ŋ
* **n** (before k)
- - anchor ˈæŋ.kɚ
- - bank bæŋk
- - thank θæŋk
+ * anchor ˈæŋ.kɚ
+ * bank bæŋk
+ * thank θæŋk
* **ng**
- - bang bæŋ
- - long lɑːŋ
- - sing sɪŋ
-
+ * bang bæŋ
+ * long lɑːŋ
+ * sing sɪŋ
diff --git a/1000-hours/sounds-of-american-english/2.2.14-lr.md b/1000-hours/sounds-of-american-english/2.2.14-lr.md
index b8f61e60..f7d30d7e 100644
--- a/1000-hours/sounds-of-american-english/2.2.14-lr.md
+++ b/1000-hours/sounds-of-american-english/2.2.14-lr.md
@@ -68,13 +68,13 @@ Another *syllabic consonant* in English is m. For examp
### l
* **l**
- - feel fiːl
- - like laɪk
- - mill mɪl
+ * feel fiːl
+ * like laɪk
+ * mill mɪl
### r
* **r**
- - read riːd
- - road roʊd
- - ring rɪŋ
+ * read riːd
+ * road roʊd
+ * ring rɪŋ
diff --git a/1000-hours/sounds-of-american-english/2.2.15-wj.md b/1000-hours/sounds-of-american-english/2.2.15-wj.md
index 1efa36e9..c69e5e54 100644
--- a/1000-hours/sounds-of-american-english/2.2.15-wj.md
+++ b/1000-hours/sounds-of-american-english/2.2.15-wj.md
@@ -21,23 +21,23 @@ The letter w can combine with other consonants to form
### w
* **w**
- - week wiːk
- - weird wɪrd
- - wife waɪf
+ * week wiːk
+ * weird wɪrd
+ * wife waɪf
* **wh**
- - white waɪt
- - what wɑːt
- - why waɪ
+ * white waɪt
+ * what wɑːt
+ * why waɪ
### j
* **y**
- - yes jes
- - yet jet
- - yoke joʊk
+ * yes jes
+ * yet jet
+ * yoke joʊk
* **i**
- - onion ˈʌn.jən
- - million ˈmɪl.jən
+ * onion ˈʌn.jən
+ * million ˈmɪl.jən
* **j**
- - jager ˈjeɪ.ɡɚ
- - hallelujah ˌhæl.ɪˈluː.jə
+ * jager ˈjeɪ.ɡɚ
+ * hallelujah ˌhæl.ɪˈluː.jə
diff --git a/1000-hours/sounds-of-american-english/2.2.2-pb.md b/1000-hours/sounds-of-american-english/2.2.2-pb.md
index b8ead74f..d247c220 100644
--- a/1000-hours/sounds-of-american-english/2.2.2-pb.md
+++ b/1000-hours/sounds-of-american-english/2.2.2-pb.md
@@ -26,17 +26,17 @@ Chinese students often struggle to distinguish between *please* and *police* at
### p
* **p**
- - pat pæt
- - pick pɪk
- - stop stɑːp
+ * pat pæt
+ * pick pɪk
+ * stop stɑːp
* **pp**
- - happy ˈhæp.i
- - hopper ˈhɑː.pɚ
- - puppet ˈpʌp.ɪt
+ * happy ˈhæp.i
+ * hopper ˈhɑː.pɚ
+ * puppet ˈpʌp.ɪt
### b
* **b**
- - big bɪɡ
- - blob blɑːb
- - club klʌb
+ * big bɪɡ
+ * blob blɑːb
+ * club klʌb
diff --git a/1000-hours/sounds-of-american-english/2.2.3-td.md b/1000-hours/sounds-of-american-english/2.2.3-td.md
index 76ec0c13..39ce6c36 100644
--- a/1000-hours/sounds-of-american-english/2.2.3-td.md
+++ b/1000-hours/sounds-of-american-english/2.2.3-td.md
@@ -47,38 +47,37 @@ In American English pronunciation, the consonant t and
## 拼写(Spellings)
-
### t
* **t**
- - take teɪk
- - top tɑːp
- - tilt tɪlt
+ * take teɪk
+ * top tɑːp
+ * tilt tɪlt
* **th**
- - Thomas ˈtoʊm.əs
- - Thames temz
- - thyme taɪm
+ * Thomas ˈtoʊm.əs
+ * Thames temz
+ * thyme taɪm
* **tt**
- - butter ˈbʌt̬.ɚ
- - little ˈlɪt̬.əl
- - matter ˈmæt̬.ɚ
+ * butter ˈbʌt̬.ɚ
+ * little ˈlɪt̬.əl
+ * matter ˈmæt̬.ɚ
* **ght**
- - caught kɑːt
- - taught tɑːt
- - thought θɑːt
+ * caught kɑːt
+ * taught tɑːt
+ * thought θɑːt
* **ed** (after a voiceless consonant p, k, f, s, sh, ch, th)
- - hoped hoʊpt
- - laughed læft
- - liked laɪkt
- - watched wɑːtʃt
+ * hoped hoʊpt
+ * laughed læft
+ * liked laɪkt
+ * watched wɑːtʃt
### d
* **d**
- - dog dɑːɡ
- - deed diːd
- - need niːd
+ * dog dɑːɡ
+ * deed diːd
+ * need niːd
* **dd**
- - add æd
- - riddle ˈrɪd.əl
- - sudden ˈsʌd.ən
+ * add æd
+ * riddle ˈrɪd.əl
+ * sudden ˈsʌd.ən
diff --git a/1000-hours/sounds-of-american-english/2.2.4-kg.md b/1000-hours/sounds-of-american-english/2.2.4-kg.md
index 8ca042d2..df4e2f68 100644
--- a/1000-hours/sounds-of-american-english/2.2.4-kg.md
+++ b/1000-hours/sounds-of-american-english/2.2.4-kg.md
@@ -24,36 +24,36 @@ Moreover, much like the t/d sounds, k
### k
* **k**
- - kid kɪd
- - like laɪk
- - skin skɪn
+ * kid kɪd
+ * like laɪk
+ * skin skɪn
* **c**
- - climb klaɪm
- - cream kriːm
- - cry kraɪ
+ * climb klaɪm
+ * cream kriːm
+ * cry kraɪ
* **ch**
- - ache eɪk
- - chemistry ˈkem.ə.stri
- - school skuːl
+ * ache eɪk
+ * chemistry ˈkem.ə.stri
+ * school skuːl
* **ck**
- - brick brɪk
- - click klɪk
- - kick kɪk
+ * brick brɪk
+ * click klɪk
+ * kick kɪk
### g
* **g**
- - get ɡet
- - go ɡoʊ
- - logo ˈloʊɡoʊ
+ * get ɡet
+ * go ɡoʊ
+ * logo ˈloʊɡoʊ
* **gg**
- - beggarˈbeɡ.ɚ
- - egg eɡ
- - waggle ˈwæɡ.əl
+ * beggarˈbeɡ.ɚ
+ * egg eɡ
+ * waggle ˈwæɡ.əl
* **gh**
- - ghost ɡoʊst
- - ghetto ˈɡet̬.oʊ
+ * ghost ɡoʊst
+ * ghetto ˈɡet̬.oʊ
* **gu**
- - guard ɡɑːrd
- - guide ɡaɪd
- - guitar ɡɪˈtɑːr
+ * guard ɡɑːrd
+ * guide ɡaɪd
+ * guitar ɡɪˈtɑːr
diff --git a/1000-hours/sounds-of-american-english/2.2.5-fv.md b/1000-hours/sounds-of-american-english/2.2.5-fv.md
index 72a91fdd..e55c550f 100644
--- a/1000-hours/sounds-of-american-english/2.2.5-fv.md
+++ b/1000-hours/sounds-of-american-english/2.2.5-fv.md
@@ -23,21 +23,20 @@ Another thing to note is that, unlike p/b, f
* **f**
- - fight faɪt
- - life laɪf
- - wife waɪf
+ * fight faɪt
+ * life laɪf
+ * wife waɪf
* **ph**
- - photo ˈfoʊ.t̬oʊ
- - coffee ˈkɑː.fi
- - elephant ˈel.ə.fənt
+ * photo ˈfoʊ.t̬oʊ
+ * coffee ˈkɑː.fi
+ * elephant ˈel.ə.fənt
### v
* **v**
- - live lɪv
- - vector ˈvek.tɚ
- - vine vaɪn
+ * live lɪv
+ * vector ˈvek.tɚ
+ * vine vaɪn
* **vv**
- - chivvy ˈtʃɪv.i
- - divvy ˈdɪv.i
-
+ * chivvy ˈtʃɪv.i
+ * divvy ˈdɪv.i
diff --git a/1000-hours/sounds-of-american-english/2.2.6-sz.md b/1000-hours/sounds-of-american-english/2.2.6-sz.md
index d12aae6b..62cbbb81 100644
--- a/1000-hours/sounds-of-american-english/2.2.6-sz.md
+++ b/1000-hours/sounds-of-american-english/2.2.6-sz.md
@@ -28,36 +28,36 @@ In addition, in English, there's no differentiation between long and short conso
### s
* **c**
- - ceiling ˈsiː.lɪŋ
- - cedar ˈsiː.dɚ
- - concede kənˈsiːd
+ * ceiling ˈsiː.lɪŋ
+ * cedar ˈsiː.dɚ
+ * concede kənˈsiːd
* **s**
- - see siː
- - sea siː
- - sick sɪk
+ * see siː
+ * sea siː
+ * sick sɪk
* **ss**
- - boss bɑːs
- - class klæs
- - stress stres
+ * boss bɑːs
+ * class klæs
+ * stress stres
* **sc**
- - scene siːn
- - science ˈsaɪ.əns
- - sceptic ˈskep.tɪk
+ * scene siːn
+ * science ˈsaɪ.əns
+ * sceptic ˈskep.tɪk
### z
* **z**
- - zone zoʊn
- - zebra ˈziː.brə
+ * zone zoʊn
+ * zebra ˈziː.brə
* **zz**
- - buzz bʌz
- - jazz dʒæz
- - puzzle ˈpʌz.əl
+ * buzz bʌz
+ * jazz dʒæz
+ * puzzle ˈpʌz.əl
* **s**
- - present ˈprez.ənt
- - raise reɪz
- - rose roʊz
+ * present ˈprez.ənt
+ * raise reɪz
+ * rose roʊz
* **s** (forming plurals after vowels or voiced consonants)
- - cars kɑːrz
- - trees ˈtriːz
- - brains breɪnz
+ * cars kɑːrz
+ * trees ˈtriːz
+ * brains breɪnz
diff --git a/1000-hours/sounds-of-american-english/2.2.7-θð.md b/1000-hours/sounds-of-american-english/2.2.7-θð.md
index 47b02caa..7ec9b383 100644
--- a/1000-hours/sounds-of-american-english/2.2.7-θð.md
+++ b/1000-hours/sounds-of-american-english/2.2.7-θð.md
@@ -29,13 +29,13 @@ When you first start practicing, you can use the sounds of s/z
### θ
* **th**
- - think θɪŋk
- - bath bæθ
- - wealth welθ
+ * think θɪŋk
+ * bath bæθ
+ * wealth welθ
### ð
* **th**
- - this ðɪs
- - then ðen
- - with wɪð
+ * this ðɪs
+ * then ðen
+ * with wɪð
diff --git a/1000-hours/sounds-of-american-english/2.2.8-ʃʒ.md b/1000-hours/sounds-of-american-english/2.2.8-ʃʒ.md
index 2fffe4f6..dcd5801d 100644
--- a/1000-hours/sounds-of-american-english/2.2.8-ʃʒ.md
+++ b/1000-hours/sounds-of-american-english/2.2.8-ʃʒ.md
@@ -40,29 +40,29 @@ A few understand that substituting dʒ for ʃ
* **s**
- - sugar ˈʃʊɡ.ɚ
- - sure ʃʊr
+ * sugar ˈʃʊɡ.ɚ
+ * sure ʃʊr
* **ch**
- - chef ʃef
- - machine məˈʃiːn
+ * chef ʃef
+ * machine məˈʃiːn
* **sh**
- - finish ˈfɪn.ɪʃ
- - sheep ʃiːp
+ * finish ˈfɪn.ɪʃ
+ * sheep ʃiːp
* **ss**
- - discussion dɪˈskʌʃ.ən
- - mission ˈmɪʃ.ən
- - pressure ˈpreʃ.ɚ
+ * discussion dɪˈskʌʃ.ən
+ * mission ˈmɪʃ.ən
+ * pressure ˈpreʃ.ɚ
### ʒ
* **g**
- - genre ˈʒɑːn.rə
- - garage ɡəˈrɑːʒ
+ * genre ˈʒɑːn.rə
+ * garage ɡəˈrɑːʒ
* **s**
- - measure ˈmeʒ.ɚ
- - leisure ˈliː.ʒɚ
- - decision dɪˈsɪʒ.ən
- - fusion ˈfjuː.ʒən
+ * measure ˈmeʒ.ɚ
+ * leisure ˈliː.ʒɚ
+ * decision dɪˈsɪʒ.ən
+ * fusion ˈfjuː.ʒən
* **z**
- - azure ˈæʒ.ɚ
+ * azure ˈæʒ.ɚ
diff --git a/1000-hours/sounds-of-american-english/2.2.9-h.md b/1000-hours/sounds-of-american-english/2.2.9-h.md
index efa0cce3..05df8639 100644
--- a/1000-hours/sounds-of-american-english/2.2.9-h.md
+++ b/1000-hours/sounds-of-american-english/2.2.9-h.md
@@ -23,6 +23,6 @@ For more examples:
### h
* **h**
- - hello heˈloʊ
- - heat hiːt
- - high haɪ
+ * hello heˈloʊ
+ * heat hiːt
+ * high haɪ
diff --git a/1000-hours/sounds-of-american-english/4.3.1-prefixes.md b/1000-hours/sounds-of-american-english/4.3.1-prefixes.md
index 5314e8bf..5b4acba3 100644
--- a/1000-hours/sounds-of-american-english/4.3.1-prefixes.md
+++ b/1000-hours/sounds-of-american-english/4.3.1-prefixes.md
@@ -1,103 +1,101 @@
### 4.3.1. 常见前缀(Common Prefixes)
-
1. **un-** (not, opposite of)
- - unhappy ʌnˈhæp.i
- - unknown ʌnˈnoʊn
- - unusual ʌnˈjuː.ʒu.əl
+ * unhappy ʌnˈhæp.i
+ * unknown ʌnˈnoʊn
+ * unusual ʌnˈjuː.ʒu.əl
2. **re-** (again, back)
- - redo riːˈduː
- - review rɪˈvjuː
- - return rɪˈtɝːn
+ * redo riːˈduː
+ * review rɪˈvjuː
+ * return rɪˈtɝːn
3. **in-** (not, into)
- - incomplete ˌɪn.kəmˈpliːt
- - invisible ɪnˈvɪz.ə.bəl
- - inside ɪnˈsaɪd
+ * incomplete ˌɪn.kəmˈpliːt
+ * invisible ɪnˈvɪz.ə.bəl
+ * inside ɪnˈsaɪd
4. **dis-** (not, opposite of)
- - disagree ˌdɪs.əˈɡriː
- - disappear ˌdɪs.əˈpɪr
- - disconnect ˌdɪs.kəˈnekt
+ * disagree ˌdɪs.əˈɡriː
+ * disappear ˌdɪs.əˈpɪr
+ * disconnect ˌdɪs.kəˈnekt
5. **pre-** (before)
- - preview ˈpriː.vjuː
- - predict prɪˈdɪkt
- - preschool ˈpriː.skuːl
+ * preview ˈpriː.vjuː
+ * predict prɪˈdɪkt
+ * preschool ˈpriː.skuːl
6. **mis-** (wrongly)
- - misunderstand ˌmɪs.ʌn.dɚˈstænd
- - misplace ˌmɪsˈpleɪs
- - mislead ˌmɪsˈliːd
+ * misunderstand ˌmɪs.ʌn.dɚˈstænd
+ * misplace ˌmɪsˈpleɪs
+ * mislead ˌmɪsˈliːd
7. **non-** (not)
- - nonstick ˌnɑːnˈstɪk
- - nonprofit nɑnˈprɑf·ɪt
- - nonviolent ˌnɑːnˈvaɪə.lənt
+ * nonstick ˌnɑːnˈstɪk
+ * nonprofit nɑnˈprɑf·ɪt
+ * nonviolent ˌnɑːnˈvaɪə.lənt
8. **over-** (too much)
- - overeat ˌoʊ.vɚˈiːt
- - overwork ˌoʊ.vɚˈwɝːk
- - overheat ˌoʊ.vɚˈhiːt
+ * overeat ˌoʊ.vɚˈiːt
+ * overwork ˌoʊ.vɚˈwɝːk
+ * overheat ˌoʊ.vɚˈhiːt
9. **sub-** (under)
- - submarine ˌsʌb.məˈriːn
- - subtitle ˈsʌbˌtaɪ.t̬əl
- - subconscious ˌsʌbˈkɑːn.ʃəs
+ * submarine ˌsʌb.məˈriːn
+ * subtitle ˈsʌbˌtaɪ.t̬əl
+ * subconscious ˌsʌbˈkɑːn.ʃəs
10. **inter-** (between, among)
- - international ˌɪn.t̬ɚˈnæʃ.ən.əl
- - interact ˌɪn.t̬ɚˈækt
- - interrupt ˌɪn.t̬əˈrʌpt
+ * international ˌɪn.t̬ɚˈnæʃ.ən.əl
+ * interact ˌɪn.t̬ɚˈækt
+ * interrupt ˌɪn.t̬əˈrʌpt
11. **trans-** (across, beyond)
- - transport ˈtræn.spɔːrt
- - transfer ˈtræns.fɝː
- - transform trænsˈfɔːrm
+ * transport ˈtræn.spɔːrt
+ * transfer ˈtræns.fɝː
+ * transform trænsˈfɔːrm
12. **under-** (too little, below)
- - underpaid ˌʌn.dɚˈpeɪd
- - underestimate ˌʌn.dɚˈes.tə.meɪt
- - underground ˌʌn.dɚˈɡraʊnd
+ * underpaid ˌʌn.dɚˈpeɪd
+ * underestimate ˌʌn.dɚˈes.tə.meɪt
+ * underground ˌʌn.dɚˈɡraʊnd
13. **super-** (above, beyond)
- - superhuman ˌsuː.pɚˈhjuː.mən
- - supermarket ˈsuː.pɚˌmɑːr.kɪt
- - supervisor ˈsuː.pɚ.vaɪ.zɚ
+ * superhuman ˌsuː.pɚˈhjuː.mən
+ * supermarket ˈsuː.pɚˌmɑːr.kɪt
+ * supervisor ˈsuː.pɚ.vaɪ.zɚ
14. **semi-** (half, partly)
- - semicircle ˈsem.iˌsɝː.kəl
- - semifinal ˌsem.iˈfaɪ.nəl
- - semiconscious ˌsem.aɪ.ˈkɑːn.ʃəs/
+ * semicircle ˈsem.iˌsɝː.kəl
+ * semifinal ˌsem.iˈfaɪ.nəl
+ * semiconscious ˌsem.aɪ.ˈkɑːn.ʃəs/
15. **anti-** (against)
- - antibiotic ˌæn.t̬i.baɪˈɑː.t̬ɪk
- - antifreeze ˈæn.t̬i.friːz
- - antisocial ˌæn.t̬iˈsoʊ.ʃəl
+ * antibiotic ˌæn.t̬i.baɪˈɑː.t̬ɪk
+ * antifreeze ˈæn.t̬i.friːz
+ * antisocial ˌæn.t̬iˈsoʊ.ʃəl
16. **de-** (down, away from)
- - devalue ˌdiːˈvæl.juː
- - defrost ˌdiːˈfrɑːst
- - decode diːˈkoʊd
+ * devalue ˌdiːˈvæl.juː
+ * defrost ˌdiːˈfrɑːst
+ * decode diːˈkoʊd
17. **en-** (make, put into)
- - enable ɪˈneɪ.bəl
- - enrich ɪnˈrɪtʃ
- - encourage ɪnˈkɝː.ɪdʒ
+ * enable ɪˈneɪ.bəl
+ * enrich ɪnˈrɪtʃ
+ * encourage ɪnˈkɝː.ɪdʒ
18. **em-** (cause to)
- - empower -ˈpaʊr
- - embrace ɪmˈbreɪs
- - employ ɪmˈplɔɪ
+ * empower -ˈpaʊr
+ * embrace ɪmˈbreɪs
+ * employ ɪmˈplɔɪ
19. **non-** (not)
- - nonexistent ˌnɑn·ɪɡˈzɪs·tənt
- - nonsense ˈnɑːn.sens
- - nonprofit nɑnˈprɑf·ɪt
+ * nonexistent ˌnɑn·ɪɡˈzɪs·tənt
+ * nonsense ˈnɑːn.sens
+ * nonprofit nɑnˈprɑf·ɪt
20. **mid-** (middle)
- - midnight ˈmɪd.naɪt
- - midterm ˈmɪd.tɝːm
- - midfield ˈmɪd.fiːld
-
+ * midnight ˈmɪd.naɪt
+ * midterm ˈmɪd.tɝːm
+ * midfield ˈmɪd.fiːld
diff --git a/1000-hours/sounds-of-american-english/4.3.2-suffixes.md b/1000-hours/sounds-of-american-english/4.3.2-suffixes.md
index 8dfce8c3..98b305e4 100644
--- a/1000-hours/sounds-of-american-english/4.3.2-suffixes.md
+++ b/1000-hours/sounds-of-american-english/4.3.2-suffixes.md
@@ -1,103 +1,101 @@
# 4.3.2. 常见后缀(Common Suffixes)
-
1. **-able** (capable of)
- - readable ˈriː.də.bəl
- - manageable ˈmæn.ə.dʒə.bəl
- - comfortable ˈkʌm.fɚ.t̬ə.bəl
+ * readable ˈriː.də.bəl
+ * manageable ˈmæn.ə.dʒə.bəl
+ * comfortable ˈkʌm.fɚ.t̬ə.bəl
2. **-ible** (capable of)
- - visible ˈvɪz.ə.bəl
- - flexible ˈflek.sə.bəl
- - edible ˈed.ə.bəl
+ * visible ˈvɪz.ə.bəl
+ * flexible ˈflek.sə.bəl
+ * edible ˈed.ə.bəl
3. **-al** (relating to)
- - natural ˈnætʃ.ɚ.əl
- - musical ˈmjuː.zɪ.kəl
- - personal ˈpɝː.sən.əl
+ * natural ˈnætʃ.ɚ.əl
+ * musical ˈmjuː.zɪ.kəl
+ * personal ˈpɝː.sən.əl
4. **-ful** (full of)
- - helpful ˈhelp.fəl
- - joyful ˈdʒɔɪ.fəl
- - careful ˈker.fəl
+ * helpful ˈhelp.fəl
+ * joyful ˈdʒɔɪ.fəl
+ * careful ˈker.fəl
5. **-less** (without)
- - hopeless ˈhoʊp.ləs
- - fearless ˈfɪr.ləs
- - endless ˈend.ləs
+ * hopeless ˈhoʊp.ləs
+ * fearless ˈfɪr.ləs
+ * endless ˈend.ləs
6. **-ly** (in the manner of)
- - quickly ˈkwɪk.li
- - slowly ˈsloʊ.li
- - happily ˈhæp.əl.i
+ * quickly ˈkwɪk.li
+ * slowly ˈsloʊ.li
+ * happily ˈhæp.əl.i
7. **-ment** (action or process)
- - development dɪˈvel.əp.mənt
- - agreement əˈɡriː.mənt
- - improvement ɪmˈpruːv.mənt
+ * development dɪˈvel.əp.mənt
+ * agreement əˈɡriː.mənt
+ * improvement ɪmˈpruːv.mənt
8. **-ness** (state or quality)
- - kindness ˈkaɪnd.nəs
- - darkness ˈdɑːrk.nəs
- - happiness ˈhæp.i.nəs
+ * kindness ˈkaɪnd.nəs
+ * darkness ˈdɑːrk.nəs
+ * happiness ˈhæp.i.nəs
9. **-er** (one who, comparative)
- - teacher ˈtiː.tʃɚ
- - runner ˈrʌn.ɚ
- - faster fæst
+ * teacher ˈtiː.tʃɚ
+ * runner ˈrʌn.ɚ
+ * faster fæst
10. **-or** (one who)
- - actor ˈæk.tɚ
- - inventor ɪnˈven.t̬ɚ
- - conductor kənˈdʌk.tɚ
+ * actor ˈæk.tɚ
+ * inventor ɪnˈven.t̬ɚ
+ * conductor kənˈdʌk.tɚ
11. **-ist** (one who practices)
- - artist ˈɑːr.t̬ɪst
- - scientist ˈsaɪən.tɪst
- - pianist ˈpiː.ən.ɪst
+ * artist ˈɑːr.t̬ɪst
+ * scientist ˈsaɪən.tɪst
+ * pianist ˈpiː.ən.ɪst
12. **-ion** (action or condition)
- - celebration ˌsel.əˈbreɪ.ʃən
- - decision dɪˈsɪʒ.ən
- - creation kriˈeɪ.ʃən
+ * celebration ˌsel.əˈbreɪ.ʃən
+ * decision dɪˈsɪʒ.ən
+ * creation kriˈeɪ.ʃən
13. **-tion** (action or condition)
- - education ˌedʒ.əˈkeɪ.ʃən
- - suggestion səˈdʒes.tʃən
- - transportation ˌtræn.spɚˈteɪ.ʃən
+ * education ˌedʒ.əˈkeɪ.ʃən
+ * suggestion səˈdʒes.tʃən
+ * transportation ˌtræn.spɚˈteɪ.ʃən
14. **-sion** (state or condition)
- - admission ədˈmɪʃ.ən
- - confusion kənˈfjuː.ʒən
- - extension ɪkˈsten.ʃən
+ * admission ədˈmɪʃ.ən
+ * confusion kənˈfjuː.ʒən
+ * extension ɪkˈsten.ʃən
15. **-ous** (full of)
- - dangerous ˈdeɪn.dʒɚ.əs
- - nervous ˈnɝː.vəs
- - famous ˈfeɪ.məs
+ * dangerous ˈdeɪn.dʒɚ.əs
+ * nervous ˈnɝː.vəs
+ * famous ˈfeɪ.məs
16. **-ive** (tending to)
- - active ˈæk.tɪv
- - creative kriˈeɪ.t̬ɪv
- - attractive əˈtræk.tɪv
+ * active ˈæk.tɪv
+ * creative kriˈeɪ.t̬ɪv
+ * attractive əˈtræk.tɪv
17. **-ic** (relating to)
- - artistic ɑːrˈtɪs.tɪk
- - athletic æθˈlet̬.ɪk
- - energetic ˌen.ɚˈdʒet̬.ɪk
+ * artistic ɑːrˈtɪs.tɪk
+ * athletic æθˈlet̬.ɪk
+ * energetic ˌen.ɚˈdʒet̬.ɪk
18. **-ity** (state or quality)
- - reality riˈæl.ə.t̬i
- - ability əˈbɪl.ə.t̬i
- - simplicity sɪmˈplɪs.ə.t̬i
+ * reality riˈæl.ə.t̬i
+ * ability əˈbɪl.ə.t̬i
+ * simplicity sɪmˈplɪs.ə.t̬i
19. **-ance** (state or quality)
- - performance pɚˈfɔːr.məns
- - importance ɪmˈpɔːr.təns
- - acceptance əkˈsep.təns
+ * performance pɚˈfɔːr.məns
+ * importance ɪmˈpɔːr.təns
+ * acceptance əkˈsep.təns
20. **-ence** (state or quality)
- - difference ˈdɪf.ɚ.əns
- - independence ˌɪn.dɪˈpen.dəns
- - existence ɪɡˈzɪs.təns
-
+ * difference ˈdɪf.ɚ.əns
+ * independence ˌɪn.dɪˈpen.dəns
+ * existence ɪɡˈzɪs.təns
diff --git a/1000-hours/sounds-of-american-english/4.3.3-roots.md b/1000-hours/sounds-of-american-english/4.3.3-roots.md
index 5fdd0d29..a4f783cd 100644
--- a/1000-hours/sounds-of-american-english/4.3.3-roots.md
+++ b/1000-hours/sounds-of-american-english/4.3.3-roots.md
@@ -1,128 +1,126 @@
# 4.3.3. 常见词根(Common Roots)
-
1. **aqua** (water)
- - aquarium əˈkwer.i.əm
- - aquatic əˈkwæt̬.ɪk
- - aqueduct ˈæk.wə.dʌkt
+ * aquarium əˈkwer.i.əm
+ * aquatic əˈkwæt̬.ɪk
+ * aqueduct ˈæk.wə.dʌkt
2. **aud** (hear)
- - audience ˈɑː.di.əns
- - audio ˈɑː.di.oʊ
- - audition ɑːˈdɪʃ.ən
+ * audience ˈɑː.di.əns
+ * audio ˈɑː.di.oʊ
+ * audition ɑːˈdɪʃ.ən
3. **bene** (good, well)
- - benefit ˈben.ə.fɪt
- - benevolent bəˈnev.əl.ənt
- - benefactor ˈben.ə.fæk.tɚ
+ * benefit ˈben.ə.fɪt
+ * benevolent bəˈnev.əl.ənt
+ * benefactor ˈben.ə.fæk.tɚ
4. **cent** (hundred)
- - century ˈsen.tʃər.i
- - percent pɚˈsent
- - centennial senˈten.i.əl
+ * century ˈsen.tʃər.i
+ * percent pɚˈsent
+ * centennial senˈten.i.əl
5. **dict** (say, speak)
- - dictionary ˈdɪk.ʃən.er.i
- - predict prɪˈdɪkt
- - dictate ˈdɪk.teɪt
+ * dictionary ˈdɪk.ʃən.er.i
+ * predict prɪˈdɪkt
+ * dictate ˈdɪk.teɪt
6. **duc** (lead)
- - conduct kənˈdʌkt
- - produce prəˈduːs
- - reduce rɪˈduːs
+ * conduct kənˈdʌkt
+ * produce prəˈduːs
+ * reduce rɪˈduːs
7. **fract** (break)
- - fracture ˈfræk.tʃɚ
- - fraction ˈfræk.ʃən
- - infraction ɪnˈfræk.ʃən
+ * fracture ˈfræk.tʃɚ
+ * fraction ˈfræk.ʃən
+ * infraction ɪnˈfræk.ʃən
8. **ject** (throw)
- - project ˈprɑː.dʒekt
- - inject ɪnˈdʒekt
- - reject rɪˈdʒekt
+ * project ˈprɑː.dʒekt
+ * inject ɪnˈdʒekt
+ * reject rɪˈdʒekt
9. **jud** (judge)
- - judicial dʒuːˈdɪʃ.əl
- - prejudice ˈpredʒ.ə.dɪs
- - judgment ˈdʒʌdʒ.mənt
+ * judicial dʒuːˈdɪʃ.əl
+ * prejudice ˈpredʒ.ə.dɪs
+ * judgment ˈdʒʌdʒ.mənt
10. **mal** (bad, ill)
- - malnutrition ˌmæl.nuːˈtrɪʃ.ən
- - malicious məˈlɪʃ.əs
- - malfunction ˌmælˈfʌŋk.ʃən
+ * malnutrition ˌmæl.nuːˈtrɪʃ.ən
+ * malicious məˈlɪʃ.əs
+ * malfunction ˌmælˈfʌŋk.ʃən
11. **mater** (mother)
- - maternal məˈtɝː.nəl
- - maternity məˈtɝː.nə.t̬i
- - matriarch ˈmeɪ.tri.ɑːrk
+ * maternal məˈtɝː.nəl
+ * maternity məˈtɝː.nə.t̬i
+ * matriarch ˈmeɪ.tri.ɑːrk
12. **mit** (send)
- - transmit trænsˈmɪt
- - admit ədˈmɪt
- - submit səbˈmɪt
+ * transmit trænsˈmɪt
+ * admit ədˈmɪt
+ * submit səbˈmɪt
13. **mort** (death)
- - mortal ˈmɔːr.t̬əl
- - mortician mɔːrˈtɪʃ.ən
- - mortify ˈmɔːr.t̬ə.faɪ
+ * mortal ˈmɔːr.t̬əl
+ * mortician mɔːrˈtɪʃ.ən
+ * mortify ˈmɔːr.t̬ə.faɪ
14. **multi** (many)
- - multiple ˈmʌl.tə.pəl
- - multiply ˈmʌl.tə.plaɪ
- - multinational ˌmʌl.t̬iˈnæʃ.ən.əl
+ * multiple ˈmʌl.tə.pəl
+ * multiply ˈmʌl.tə.plaɪ
+ * multinational ˌmʌl.t̬iˈnæʃ.ən.əl
15. **pend** (hang, weigh)
- - pendant ˈpen.dənt
- - suspend səˈspend
- - depend dɪˈpend
+ * pendant ˈpen.dənt
+ * suspend səˈspend
+ * depend dɪˈpend
16. **port** (carry)
- - transport ˈtræn.spɔːrt
- - export ˈek.spɔːrt
- - import ˈɪm.pɔːrt
+ * transport ˈtræn.spɔːrt
+ * export ˈek.spɔːrt
+ * import ˈɪm.pɔːrt
17. **scrib/script** (write)
- - describe dɪˈskraɪb
- - manuscript ˈmæn.jə.skrɪpt
- - subscription səbˈskrɪp.ʃən
+ * describe dɪˈskraɪb
+ * manuscript ˈmæn.jə.skrɪpt
+ * subscription səbˈskrɪp.ʃən
18. **sect/sec** (cut)
- - section ˈsek.ʃən
- - dissect daɪˈsekt
- - intersect ˌɪn.t̬ɚˈsekt
+ * section ˈsek.ʃən
+ * dissect daɪˈsekt
+ * intersect ˌɪn.t̬ɚˈsekt
19. **sent/sens** (feel)
- - sensation senˈseɪ.ʃən
- - sensitive ˈsen.sə.t̬ɪv
- - consent kənˈsent
+ * sensation senˈseɪ.ʃən
+ * sensitive ˈsen.sə.t̬ɪv
+ * consent kənˈsent
20. **spec/spect** (look)
- - inspect ɪnˈspekt
- - spectator spekˈteɪ.t̬ɚ
- - spectacle ˈspek.tə.kəl
+ * inspect ɪnˈspekt
+ * spectator spekˈteɪ.t̬ɚ
+ * spectacle ˈspek.tə.kəl
21. **struct** (build)
- - construct kənˈstrʌkt
- - structure ˈstrʌk.tʃɚ
- - destruct ˌself.dɪˈstrʌkt
+ * construct kənˈstrʌkt
+ * structure ˈstrʌk.tʃɚ
+ * destruct ˌself.dɪˈstrʌkt
22. **tele** (far)
- - telephone ˈtel.ə.foʊn
- - television ˈtel.ə.vɪʒ.ən
- - telegraph ˈtel.ə.ɡræf
+ * telephone ˈtel.ə.foʊn
+ * television ˈtel.ə.vɪʒ.ən
+ * telegraph ˈtel.ə.ɡræf
23. **terra** (earth)
- - terrestrial təˈres.tri.əl
- - territory ˈter.ə.tɔːr.i
- - terrain təˈreɪn
+ * terrestrial təˈres.tri.əl
+ * territory ˈter.ə.tɔːr.i
+ * terrain təˈreɪn
24. **vac** (empty)
- - vacant ˈveɪ.kənt
- - vacuum ˈvæk.juːm
- - evacuate ɪˈvæk.ju.eɪt
+ * vacant ˈveɪ.kənt
+ * vacuum ˈvæk.juːm
+ * evacuate ɪˈvæk.ju.eɪt
25. **vid/vis** (see)
- - video ˈvɪd.i.oʊ
- - vision ˈvɪʒ.ən
- - invisible ɪnˈvɪz.ə.bəl
-
+ * video ˈvɪd.i.oʊ
+ * vision ˈvɪʒ.ən
+ * invisible ɪnˈvɪz.ə.bəl