Cathamplifier
[电] 反对放大器
🗣️ 情景例句
There's Mother and Grandpa ...
有妈妈和祖父呢……
No. Behave yourself, Jack.
别胡闹，杰克。
On his way to the sweet shop, he dropped his fifty pence and it bounced along the pavement and then disappeared down a drain.
在他去糖果店的路上，50便士掉在地上，在人行道上跳了几下，掉进了阴沟里。