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
Exploring outer space is a challenge to mankind.
探索外层空间是一项向人类发出的挑战。
Can anybody scratch my back for me?
有人来替我搔背吗？
It's not his work that bothers me; it's his attitude.
困扰我的不是他的工作，而是他的态度。