Kathetron
一种有外栅极的三极管, 辉光放电管
🗣️ 情景例句
He lost his money due to his own carelessness.
由于大意，他丢了钱。
If the beard were all, the goat might preach.
如果有了需就什么都行，那么山羊也可以说教了。
So I just take what I want.
那么我只拿我所需要的东西。