Yawning might eventually help doctors diagnose developmental disorders .

打哈欠可以帮助医生们诊断孩子们是否发育障碍。

Yawning may activate a sinus " pump " that ventilates our brains .

打呵欠可能会激活鼻窦中的“泵”，使我们的大脑保持清醒。

But the yawning deficit meant that they were overruled .

但是巨大的赤字意味着他们的观点注定要被批驳。

Corruption and yawning disparities of wealth fuel resentment .

腐败和不断扩大的财富分配差距的反感。

The study , described in the journal child development , involved adult volunteers yawning in front of kids .

这项刊登在儿童发展杂志的研究，还包括了成年的志愿者在小孩儿面前打的哈气。