Regulex
磁饱和放大器
🗣️ 情景例句
Do you have to act like that?
你非得那么做吗？
Please sign a copy of our Sales Contract No.156 enclosed here in duplicate and return to us for our file.
请会签第156号销售合同一式两份中的一份，将它寄回我方存档。
I'm tired. I'm going home now. Goodnight!
我累了。我要睡觉了。晚安！