Pn boundary
[电] PN界面
🧩 词语组成解析
清注意, 本票, 期票\\n[计] 页编号, 可编程网络
🗣️ 情景例句
I suggest you give her a call straight away.
我建议你立即打个电话给她。
Congratulations on your graduation.
我恭喜你毕业了。
like the cooling of a hot kettle or the wearing-out of a pair of shoes.
就像一壶热水迟早会凉下来，一双鞋渐渐会磨破一样。