Cathodogram
电子衍射示波图, 阴极射线示波图
🗣️ 情景例句
Could I trouble you with something for a moment please?
请问可以麻烦你一下吗？
I'm too nervous.
我太紧张。
It's over there,behind the teapot.
就在那儿，茶壶后面。