房间里的人在打哈欠，或者在替自己搔痒。
The occupants of the rooms are yawning, or else scratching themselves.
在冬天，当室外平均温度21度时，45%的人看到别人打呵欠的图片时自己也会打哈欠。
In the winter, when outdoor temperatures averaged 21 degrees, 45 per cent of people responded to the images by yawning themselves.
另一方面，发烧的人打哈欠的时间比身体正常的人少，而控制不住地重复打哈欠可能是糖尿病或中风的症状。
On the other hand, someone running a fever indulges in such ACTS less than normal, while uncontrollable repeats may be a symptom of diabetes or a stroke.
作为打哈欠而不是思想模仿者的人(Homooscitans ratherthan sapiens)也许缺少尊严，却显示出其个性新的具有吸引力的一面。
Man as a yawning rather than thinking ape - Homo oscitans rather than sapiens - may lack dignity, but reveals a new and attractive side to his personality.
也许我们的祖先打哈欠是为了表示，他同意他周围的人。
Perhaps our ancestors yawned to express that they agreed with the people around them.
科学家发现，观看别人打哈欠时，那些被要求正常呼吸或用口呼吸的人有一半打哈欠；而被要求用鼻呼吸的人没有一个打哈欠。
Fifty per cent of people told to breathe normally or through their mouths yawned while watching other people yawn, while none of those told to breathe through their noses yawned.
科学家发现，观看别人打哈欠时，那些被要求正常呼吸或用口呼吸的人有一半打哈欠；而被要求用鼻呼吸的人没有一个打哈欠。
Fifty per cent of people told to breathe normally or through their mouths yawned while watching other people yawn, while none of those told to breathe through their noses yawned.
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