Cathodogram
电子衍射示波图, 阴极射线示波图
🗣️ 情景例句
A house, a car and a family, what else could one want?
一所房子，一辆车子和和个家，除此之外，夫复何求？
A good horse oft needs a good spur.
好马常需好靴刺。
I like reading and listening to music.
我喜欢阅读和欣赏音乐。