Pernutation
[计] 置换
🗣️ 情景例句
Are you kidding?
你在开玩笑吗？
When I saw Mr. Jones,he was talking with John Smith.
当我看见琼斯先生时，他与约翰·史密斯正在谈话。
Yes, I do.I want her to come to my office.Tell her to come at once.
是的，我要她到我的办公室来。叫她马上就来。