原来眼泪真的是咸(眼泪是咸翻译)

Why are tears salty? Cause our eyes forgot to add sugar to them.

为什么眼泪是咸的，因为我们的眼睛忘了加糖。

Just listen there&39;s about half a pound of salt in our bodies.

根据研究，我们体内大约有半磅的盐。

Now if we have so much salt it makes sense that our bodily fluids including sweat blood and tears naturally have some salt in them.

现在，如果我们有这么多的盐，那么我们的体液，包括汗水、血液和泪水，自然就会有一些盐在里面。

Besides this it would take a lot of cellular energy to make sure that our tears were 100 percent pure water, moreover as some tears are continuously produced to lubricate our eyes, it is believed that salt in those tears inhibits the growth of bacteria thus preventing infections.

此外，要确保我们的眼泪是百分之百纯净的水，需要大量的细胞能量，此外，由于一些泪水不断地产生来润滑我们的眼睛，据信，泪水中的盐可以抑制细菌的生长，从而防止感染。

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