感觉是不一样的，相关的发音视频见内，供你参考。

来源: 于 2015-07-27 21:19:17 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次
1. cup, hut, love.



English: How to Pronounce UH as in BUTTER [/ ] vowel
https://www.youtube.com/watch?v=sJupiMmsbx0



American Accent 60 Words with "uh"  [/ ] Vowel Sound - American English Pronunciation Lesson
https://www.youtube.com/watch?v=ausxODBl6m0

2. ago, sofa



English: How to Pronounce the Schwa(英语中非重读音节的元音) [?] -- American Accent https://www.youtube.com/watch?v=rM9NxK74JSE