Harmodotron
(产生毫米波的)电子束管, (正交场)毫米波振荡管
🗣️ 情景例句
There's no end to the paperwork I have on my desk.
我桌上的工作永远没个完。
Did you go running this morning?
你今早去跑步了吗？
but something was there, and he will not rest till he has captured it.
可是，好像还有什么东西存在着，不把它捕捉到，作家是不会罢休的。