通常情况下耳咽管都是关闭的，但当我们需要平衡气压时我们需要打开它。
Normally the Eustachian tube is closed, so in order to equalize the pressure we need to open it.
在玻耳兹曼H定理的基础上，利用细致平衡原理，详细计算了平衡态的分布函数，并且进行了一般性的讨论。
This paper calculates the distribution function of equilibrium seriously based on Boltzmann H theorem and by use of the close equilibrium condition, and make a discussion generally.
我潜水初始时候平衡耳压需要比较长的时候，所以，我们就落在大队伍的后面了。
I am slow to equalize on early dives, so we fell behind most of the group.
如果你不能平衡耳腔和鼻窦内的压力，你必须停止下潜。
If you cannot equalize pressure in the middle ear cavities or sinuses, you should not continue to descend.
如果你不能平衡耳腔和鼻窦内的压力，你必须停止下潜。
If you cannot equalize pressure in the middle ear cavities or sinuses, you should not continue to descend.
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