问up和mum发音一样吗

发音一样，都发[ʌ]音。

She gathered up her belongings.她收拾起她的私人物品。Joanna sat up, blinking sleepily.乔安娜坐了起来，睡意未消地眨着眼睛。I'll ask my mum if I can go.我会问我妈妈我可不可以去。My mum says I can't go.我妈说我不能去。I'll keep mum about what happened tonight.我会对今晚发生的事保密的。