No. Bus is the short U. See this videoHow to Pronounce BOSS and BUS - American English Pronunciation Lesson https://youtu.be/B34iWCRH1rU
Learn how to Pronounce BASS, BASS, & BASE in this American English Pronunciation Lesson. *thanks to a kind viewer for noting, a bass is not a guitar, it is an instrument. The words are pronounced: BASS /bæs/ and rhymes with gas, lass, mass, pass. BASS /be?s/ and rhymes with base, case, face, lace, pace, race, vase. BASE /be?s/ and rhymes with bass, case, face, lace, pace, race, vase. Jennifer Tarle from Tarle Speech and Language guides you through a quick pronunciation lesson with quick tips to have you sounding clearer in no time. Improve your accent and speak clearly with this ESL English pronunciation lesson. Learn how to pronounce English words correctly to reduce your accent, gain confidence, and speak clearly today!