Cathamplifier
[电] 反对放大器
🗣️ 情景例句
Oh, Grandpa, I'm so happy to see you!
啊， 爷爷！ 见到您我真高兴。
I'd say the expected delivery date should be by the end of the month.
我得说预定发货日期应该在本月底。
These drawings on the wall are process sheets.
墙上的图表是工艺流程表。