Microstethophone
[医] 扩音听诊器
🗣️ 情景例句
But it is not polite to ask older people their age.
但问老人的年龄是不礼貌的。
My biggest problem so far has been trying to remember everybody's name.
迄今为止我最大的问题就是尽量记住每个人的名字
About fifty.
大约有五十本。