Oped
(OP 的过去时) 观测所\\n[计] 操作, 运算, 算符
🗣️ 情景例句
No. He left a note on the door
是的。他留了一张条子在门上
I think he will buy something.
我想他会买什么。
Close the door after you，please.
请随手关门。