Plifier
电子束半导体线性低通放大管
🗣️ 情景例句
Just my friend Mike and a few kids from school.
只有我的朋友Mike和学校里的几个伙伴。
It'll soon go out of mind.
这件事很快会被忘记。
Good morning. Could I have some bottles of milk, please?
早上好。我想买几瓶牛奶？