嗯，好多发音都有细小的变化，L需要舌尖舔gum bridge。R需要噘嘴卷舌头。：）

来源: beautifulwind 于 2020-11-10 09:36:27 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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