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1·She turned luxuriantly on her side, yawning.

她打着呵欠，舒适地转身侧向一边。《牛津词典》

2·He stood yawning, his pyjama jacket gaping open.

他敞开睡衣站着打呵欠。《牛津词典》

3·He called, yawning and rubbing his eyes.

他打着哈欠，揉着眼睛，喊道。

4·No time had been found for yawning that day, either!

那天也没人有时间打呵欠！

5·Yawning is distracting, consumes energy and takes time.

打呵欠会分散注意力，消耗精力，耗费时间。

6·Yawning bore no relationship to sleep patterns, however.

然而，打哈欠与睡眠模式没有关系。

7·Yawning did nothing special to their state of physiological activity.

打呵欠对他们的生理活动状态没有什么特殊的影响。

8·The occupants of the rooms are yawning, or else scratching themselves.

房间里的人在打哈欠，或者在替自己搔痒。

9·Both men presently fell to yawning, and Injun Joe said: I'm dead for sleep!

两个人随即打了个呵欠，印第安·乔说：“我困得要死了！”

10·Again the implication is that yawning has little or nothing to do with oxygen.

这再次暗示着打哈欠与氧气几乎没有关系。