Stethopolyscope
[医] 多管听诊器(教学用)
🗣️ 情景例句
I like to study in the library because it's so quiet.
我喜欢在图书馆学习因为那儿很安静。
A beggar's purse is bottomless.
乞丐的钱袋是无底洞。
Yes, let's.
走吧。