Cathamplifier
[电] 反对放大器
🗣️ 情景例句
There's nothing's as troublesome as a naughty clild.
没有东西比淘气的孩子更麻烦了。
You were lucky to find it.
你的运气真好。
This is to help you start your school.
这是帮助你开办学校用的。