Ampliscope
示波式摆幅仪
🗣️ 情景例句
Why do you want to quit your present company?
那你为什么放弃现在的工作呢？
Why are you crying?
你为什么哭？
Yes, I think I have. Look at that book on the desk. Maybe it's yours.
是的，我想我看见了。请看桌子上的那本书。也许就是你的。