Harmodotron
(产生毫米波的)电子束管, (正交场)毫米波振荡管
🗣️ 情景例句
I think that you're very successful
我认为你事业有成
It's been a long time.
好久不见了。
Then they arrived just when we wanted them.
这样，他们可以恰好在我们要求的时间到达。