Although in-flight infections thrive in dry environments like airplanes, your risk of getting sick from an airplane is actually low because of the air filters used.

尽管在飞机等干燥环境中，飞行的过程中很容易滋生传染病，但由于飞机上使用了空气过滤器，因此你在飞机上得病的风险实际上很低。

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We are approximately 65 percent water and we are able to survive and function in dry environments because the skin forms a permeability barrier that prevents the loss of water.

人体大约65%的成分是水，人之所以能在干燥的环境中生存全倚仗皮肤的保护。

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A device used for automatic collection of cathodic protection potential data in cyclic wet-dry environments was designed and manufactured.

设计研制了一种用于干湿交替环境下，自动采集阴极保护电位数据的装置。

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For example, scientists investigate the hyper-dry environments found in Antarctica (but there is still a lot of water, compared with Mars) or Death Valley (dry enough, but much hotter than Mars).

CNN: Curiosity opening Martian frontier?