Kathetron
一种有外栅极的三极管, 辉光放电管
🗣️ 情景例句
It's ten after six. We're late.
现在是六点十分。我们迟了。
Did you enjoy your flight?
你的飞行旅途愉快吗？
We'll have to get this contract typed as soon as possible.
我们得尽快把契约书打出来。