Postamplifier
后置放大器
🗣️ 情景例句
OK, let's go around the table.
好 ，让我们顺着桌子来。
It doesn't add up!
这就怪啦！
It looks like a cat! Put it in your desk please, Lucy.
看起来象只猫。露茜，请把它放到桌子里。