yawn 哈欠，打哈欠

　　He closed the book, yawned, and went to bed.

　　他合上书，打了个哈欠，然后上床。

　　She got up from the chair with a big loud yawn.

　　她从椅子上站了起来，打个大大的哈欠。

　　疯狂练习吧！