enineera 发表于 2007-10-25 06:11:14

Vowel rounding

I found that interestingly enough, no two vowels differ in rounding alone in the English language.
   front vowels all unrounded
   back non-low vowels all rounded

But in German, Russian and French, vowel rounding is contrastive.

gzlaser 发表于 2007-10-25 07:45:06

请看版规http://www.readfree.net/bbs/read-htm-tid-215877.html
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