Undulators
(undulator 的复数) [电] 波纹印码机
🗣️ 情景例句
At any rate, we must go there.
不管怎么样，我们非去那里一趟不可。
That's really something.
真了不起。
I'll leave them for you to look over.
我会留下来给你慢慢的看。