# 6.4. 常见词根词缀 英文的词根大多来自拉丁语;而常用词缀,包括前缀和后缀 —— 它们都是表意的。 ## 6.4.1. 常见前缀
1. **un-** (not, opposite of) * unhappy ʌnˈhæp.i * unknown ʌnˈnoʊn * unusual ʌnˈjuː.ʒu.əl 2. **re-** (again, back) * redo riːˈduː * review rɪˈvjuː * return rɪˈtɝːn 3. **in-** (not, into) * incomplete ˌɪn.kəmˈpliːt * invisible ɪnˈvɪz.ə.bəl * inside ɪnˈsaɪd 4. **dis-** (not, opposite of) * disagree ˌdɪs.əˈɡriː * disappear ˌdɪs.əˈpɪr * disconnect ˌdɪs.kəˈnekt 5. **pre-** (before) * preview ˈpriː.vjuː * predict prɪˈdɪkt * preschool ˈpriː.skuːl 6. **mis-** (wrongly) * misunderstand ˌmɪs.ʌn.dɚˈstænd * misplace ˌmɪsˈpleɪs * mislead ˌmɪsˈliːd 7. **non-** (not) * nonstick ˌnɑːnˈstɪk * nonprofit nɑnˈprɑf·ɪt * nonviolent ˌnɑːnˈvaɪə.lənt 8. **over-** (too much) * overeat ˌoʊ.vɚˈiːt * overwork ˌoʊ.vɚˈwɝːk * overheat ˌoʊ.vɚˈhiːt 9. **sub-** (under) * submarine ˌsʌb.məˈriːn * subtitle ˈsʌbˌtaɪ.t̬əl * subconscious ˌsʌbˈkɑːn.ʃəs 10. **inter-** (between, among) * international ˌɪn.t̬ɚˈnæʃ.ən.əl * interact ˌɪn.t̬ɚˈækt * interrupt ˌɪn.t̬əˈrʌpt 11. **trans-** (across, beyond) * transport ˈtræn.spɔːrt * transfer ˈtræns.fɝː * transform trænsˈfɔːrm 12. **under-** (too little, below) * 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 14. **semi-** (half, partly) * 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 16. **de-** (down, away from) * devalue ˌdiːˈvæl.juː * defrost ˌdiːˈfrɑːst * decode diːˈkoʊd 17. **en-** (make, put into) * enable ɪˈneɪ.bəl * enrich ɪnˈrɪtʃ * encourage ɪnˈkɝː.ɪdʒ 18. **em-** (cause to) * empower -ˈpaʊr * embrace ɪmˈbreɪs * employ ɪmˈplɔɪ 19. **non-** (not) * nonexistent ˌnɑn·ɪɡˈzɪs·tənt * nonsense ˈnɑːn.sens * nonprofit nɑnˈprɑf·ɪt 20. **mid-** (middle) * midnight ˈmɪd.naɪt * midterm ˈmɪd.tɝːm * midfield ˈmɪd.fiːld ## 6.4.2. 常见后缀 1. **-able** (capable of) * 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 3. **-al** (relating to) * 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 5. **-less** (without) * 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 7. **-ment** (action or process) * 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 9. **-er** (one who, comparative) * teacher ˈtiː.tʃɚ * runner ˈrʌn.ɚ * faster fæst 10. **-or** (one who) * actor ˈæk.tɚ * inventor ɪnˈven.t̬ɚ * conductor kənˈdʌk.tɚ 11. **-ist** (one who practices) * 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 13. **-tion** (action or condition) * 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 15. **-ous** (full of) * dangerous ˈdeɪn.dʒɚ.əs * nervous ˈnɝː.vəs * famous ˈfeɪ.məs 16. **-ive** (tending to) * active ˈæk.tɪv * creative kriˈeɪ.t̬ɪv * attractive əˈtræk.tɪv 17. **-ic** (relating to) * 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 19. **-ance** (state or quality) * 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
## 6.4.3. 常见词根
1. **aqua** (water) * 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 3. **bene** (good, well) * 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 5. **dict** (say, speak) * dictionary ˈdɪk.ʃən.er.i * predict prɪˈdɪkt * dictate ˈdɪk.teɪt 6. **duc** (lead) * conduct kənˈdʌkt * produce prəˈduːs * reduce rɪˈduːs 7. **fract** (break) * fracture ˈfræk.tʃɚ * fraction ˈfræk.ʃən * infraction ɪnˈfræk.ʃən 8. **ject** (throw) * project ˈprɑː.dʒekt * inject ɪnˈdʒekt * reject rɪˈdʒekt 9. **jud** (judge) * judicial dʒuːˈdɪʃ.əl * prejudice ˈpredʒ.ə.dɪs * judgment ˈdʒʌdʒ.mənt 10. **mal** (bad, ill) * malnutrition ˌmæl.nuːˈtrɪʃ.ən * malicious məˈlɪʃ.əs * malfunction ˌmælˈfʌŋk.ʃən 11. **mater** (mother) * maternal məˈtɝː.nəl * maternity məˈtɝː.nə.t̬i * matriarch ˈmeɪ.tri.ɑːrk 12. **mit** (send) * transmit trænsˈmɪt * admit ədˈmɪt * submit səbˈmɪt 13. **mort** (death) * 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 15. **pend** (hang, weigh) * pendant ˈpen.dənt * suspend səˈspend * depend dɪˈpend 16. **port** (carry) * transport ˈtræn.spɔːrt * export ˈek.spɔːrt * import ˈɪm.pɔːrt 17. **scrib/script** (write) * describe dɪˈskraɪb * manuscript ˈmæn.jə.skrɪpt * subscription səbˈskrɪp.ʃən 18. **sect/sec** (cut) * section ˈsek.ʃən * dissect daɪˈsekt * intersect ˌɪn.t̬ɚˈsekt 19. **sent/sens** (feel) * sensation senˈseɪ.ʃən * sensitive ˈsen.sə.t̬ɪv * consent kənˈsent 20. **spec/spect** (look) * inspect ɪnˈspekt * spectator spekˈteɪ.t̬ɚ * spectacle ˈspek.tə.kəl 21. **struct** (build) * construct kənˈstrʌkt * structure ˈstrʌk.tʃɚ * destruct ˌself.dɪˈstrʌkt 22. **tele** (far) * 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 24. **vac** (empty) * 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