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1000-hours/sounds-of-american-english/2.1.2-tongue.md

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+# 2.1.2. 舌位（Tongue Positions）
+
+![tongue-positions-of-vowels](/images/tongue-positions-of-vowels.svg)[^1]
+
+[^1]: Figure adapted from *FUNDAMENTALS OF PHONETICS: a practical guide for students* 5th Edition, by Larry H. Small, 2019. Page 55
+
+Unrounded: `/i, ɪ, e, ɛ, æ, ɑ, ə, ʌ/`
+
+Rounded: `/u, ʊ, o, ɔ, ɒ, ɚ, ɝ/`
+
+Tense: / i, e, u, o, :>, a, 3/ Lax: / r, e, re, u, a, A, o-/
+
+Page 55