thanks 熊老 pointing this out

来源: 于 2010-01-08 20:35:00 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

for /r/ consonant sound, i would put the tip of the tongue on ( a little behind) the hard bump of the palate, for the words like 'rose', 'reason', 'rise', 'red' etc.