Ophitron
小型微波发生器, 微波振荡管
🗣️ 情景例句
The bright young man can get ahead quickly in the tourist industry.
这位聪明的年轻人在旅游世界很快获得成功。
What kind of breakfast did you have?
你吃了什么样的早餐？
It suddenly dawned on me that this express was not roaring down the line at ninety miles an hour, but barely chugging along at thirty.
我突然感到这趟快车并没以时速90英里的速度呼啸前进，而是卟哧卟哧地向前爬行，时速仅30英里。