Tympanometer
鼓室计; 鼓室压力计
🗣️ 情景例句
Please sit down, Mr. Mark.
请坐吧，马克先生。
Check-in time is 8:45.
8点45分办理登机手续。
(Looking at the other woman) I'm sorry, but I don't think I know you.
（瞅着玛蒂尔德）很抱歉，我想我不认识你呀。