Piezocoupler
压电耦合器
🗣️ 情景例句
It just depends on a number of things.
这得靠许多因素才能决定。
Night fell quickly.
夜色很快降临。
No, more, about 130 years ago. Most of the slave owners were rich farmers who lived in the south. They wanted to keep their slaves.
不，还要早，大约130年前。大多数奴隶主都是住在南方的富有的农场主。他们想保留自己的奴隶。