Kluystron
[计] 速调管
🗣️ 情景例句
Yup. Forty-three years.
是的， 四十三年了。
Why are you so short?
你为什么那么矮呀？
What about the Natural History Museum? So far as I know, it's free.
去自然历史博物馆怎么样？据我所知，那儿是免费的。