Electrostethophone
电扩音听诊器
🗣️ 情景例句
Do you hear something?
你听到什么了吗？
I don't know how to do that.
我不知道该怎么打。
He became mortally ill a few months before we had planned to go and,
就在他计划回国的前几个月，他突然身患绝症。