Cathamplifier
[电] 反对放大器
🗣️ 情景例句
In order to catch fish, you have to do this.
要钓鱼你就得这样。
He is eating a lot.
他吃了很多。
If so, look out for books, articles or magazines about them.
如果有，你就该找一些有关的书籍、文章或杂志来读。