Water has weight, and air also has weight.

水有重量，空气也有重量。

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Cold air also has a drying effect, which can increase the risk of dehydration.

冷空气也有干燥的效应，会增加你脱水的危险。

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Two weeks later 11 pilots with East Star Air also requested sick-leave, resulting in long delays and several flight cancellations out of Wuhan.

两周后东星航空公司的11名飞行员也请病假，导致武汉长时间的航班延误以及几个航班的取消。

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Chemical sprays like air fresheners,hair spray, household cleaning products and even strong perfumes can also trigger an asthma attack.

VOA: special.2009.07.28

It's called freon. It's also used in air conditioners.

这就是所谓的氟利昂，它也用于空调。

麻省理工公开课 - 固态化学导论课程节选

But Chesley Sullenberger is also an expert on air safety, including accident investigations, and even has his own consulting business.

VOA: special.2009.01.30

Pumping up foods with air also works to increase volume and promote satiety.

CNN: Eat more and weigh less with Volumetrics

The air also holds a whiff of fuel oil after a barge collision that dumped more than 400, 000 gallons of oil into the Mississippi River.

NPR: Top Of The News

The massive rush of air also had an upside.

NPR: Windy Spring Storm Sweeps Through Calif., Arizona