This is a dilemma for women, because the tears may flow naturally when we are worked up.
对女人来说，这是一种困境，因为当我们兴奋的时候眼泪会很自然的流下来。
How many sad tears may a person flow?
一个人到底可以流几次伤心的眼泪？
Special dyes may be instilled in the eyes to better observe tear flow and to highlight any changes to the outer surface of the eye caused by insufficient tears.
这项检测，灌输到眼睛里面的特殊染料可以帮助我们更好地观察眼泪的流动，并且能够标记因少量眼泪儿产生的眼球外表面的变化。
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