Quadratron
热阴极四极管
🗣️ 情景例句
My girl friend and I broke up.
我和我女朋友分手了。
Art is long, life is short.
艺术恒久，生命短暂。
I'll give you a call when we are ready to talk about them.
等我们准备好可以谈的时候，我会打电话给你。