Harmodotron
(产生毫米波的)电子束管, (正交场)毫米波振荡管
🗣️ 情景例句
Let's what?
你说什么？
In that case, we might need to reopen the question of prices.
如果是那样，我们也许需要重新讨论价格。
We really wish you'll have a pleasant stay here.
我们真诚地希望你们在这里过得愉快。