很多实验证据证实了打哈欠的另一个不同的功能,它能让我们做好准备,改变活动状态。
The empirical evidence, such as it is, suggests an altogether different function for yawning—namely, that yawning prepares us for a change in activity level.
我们有很多事情要做,比如准备晚餐,摆桌子,组织孩子们进场,以至于我们没有时间休息。
We had so much to do, such as preparing for the dinner, setting the tables, and organizing the kids to come in, that we had no time to have a rest.
“我们准备出发,但当我出去时,我发现周围有很多裂缝。”他回忆道。
"We were ready to go but when I went out, I discovered many cracks around." He remembers.
There is going to be a lot of food and lots of friends.
我们准备了许多吃的,很多朋友都会到场。
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