about schwa and short u

[TaiwanPofLee]

In American English, is the pronunciation of the letter 'a' in the word 'about' the same as that of the letter 'u' in the word 'bus'?

 

[MikeNewYork]

Yes.

 

[TaiwanPofLee]

Yes.

Thank you for your reply, MikeNewYork.

Looking forward to more replies.

 

[Rover_KE]

You'll only get more replies if anybody disagrees with Mike and me.

 

[TaiwanPofLee]

You'll only get more replies if anybody disagrees with Mike and me.

Thank you for your reply, Rover_KE.

According to Merriam-Webster English Dictionary, the pronunciations of these two words are as follows:

about adverb \ə-ˈbau̇t\
bus noun, often attributive \ˈbəs\