Phonostethograph
听诊录音机
🗣️ 情景例句
No, I have to turn it in in the morning.
不行 ，明天上午我得交出去。
Truth fears not the flames of slander and injustice.
真金不怕火。
Hello, Zhou Lan. This is Bruce.
你好，周兰。我是布鲁斯。