Cathetron
[电]外控式三极汞气整流管
🗣️ 情景例句
He spends too much money on his hobbies.
他在爱好方面花了很多钱。
It's just around the corner.
转弯就是。
Because of his revolutionary views, he spent many years in prison.
由于他的革命观点，他在监狱里度过了许多年。