Monotron
莫诺速调管, 直越式速调管, 无反射极速调管
🗣️ 情景例句
I'm a senior here, so let me know if I can help you with anything.
我是大四的老生，有什么能帮忙的尽管说一声。
He who would climb the ladder must begin at the bottom.
爬梯必须从底层开始。
My wife and I were at the race.
我和我的妻子也去了。