Ophitron
小型微波发生器, 微波振荡管
🗣️ 情景例句
We can write letters. It's cheaper than calling.
我们可以写信就好，那比打电话便宜。
That which one least anticipates soonest comes to pass.
事非逆料偏易发生。
The dress doesn't fit her. She is too thin.
这件衣服不适合她，她太瘦了。