Cascade amplifier
[电] 串级放大器
🧩 词语组成解析
🗣️ 情景例句
Pardon me, what's the time by your watch?
对不起，你知道现在几点吗？
He licks his friend.
他舔着他的朋友。
When there is no one in the office, you can leave the answering machine on so that people who call you up can leave a message.
当无人在办公室时，你可以打开留言机，这样打电话给你的人就可以留言了。