Klystrons
(klystron 的复数) n. 调速管\\n[化] 速调管
🗣️ 情景例句
Yes, Michigan needs a touchdown.
是啊 Michigan队需要一次达阵得分。
What time did you get to work yesterday morning?
你昨天早上什么时间上班？
Imagine an earthquake shock shaking the floor, the paper, you and your hand.
假定地震发生了，地板、纸、你和你的手都会动，