Plethysmograph
n. [医]体积描记器
🗣️ 情景例句
Ask him to join us for lunch.
请他来和我们一起吃午饭。
Good things have just begun!
好戏就要开锣喽。
In this way, he has begun his own private 'telephone' service.
就这样，他开始自己的私人“电话”业务。