讲解文本:
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!