Monoline
[计] 单线
🗣️ 情景例句
You've been a very helpful.
你帮了大忙。
I asked him to keep quiet, but he wouldn't.
我请他保持肃静，但是他不肯。
Please sign here to show that you have received the money.
请在这儿签字以表明你已收到这笔钱。"