Servoamp
伺服[随动]放大器
🗣️ 情景例句
This is my mother.
这是我母亲。
There's as good fish in the sea as ever came out of it.
海里的好鱼是取之不尽的。
Until we are intelligent as to its laws and varieties,
直到我们理解了风俗的规律性和多样性，