Posix
[计] 可移植性操作系统接口
🗣️ 情景例句
I'll be in town next week, maybe you could fit me in.
我下个礼拜会在城里，也许你能安排时间见我。
Speak of angels and you will hear their wings.
说到曹操，曹操就到。
Sorry, I don't know.
对不起，我不知道。