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
Sure. Would you please sign your name on the back, sir, with your passport number?
每问题。先生，请您在支票背后签上名字和护照号码。
I can't afford it.
我买不起。
He insisted on the assistant's counting the money before he left -- 30,000 pennies in all!
这些硬币加在一起共有30，000枚！