But air isn't the only way to generate pressure.

但是空气并非产生压力的唯一途径。

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But AIR is a 1.0 product and the cross platform aspect is important to us.

但AIR只是个1.0的产品，而且跨平台方面对我们非常重要。

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For one thing, the fossil fuels will run out eventually. But air capture could provide an ingenious alternative.

首先，地球上的化石燃料最终将会用光，而空气捕捉可能可以提供一种绝佳的替代品。

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But air traffic controllers say they lost contact with the Twin Otter plane.

VOA: standard.2009.08.02

But if you touch the valve going into your tire which basically measures the temperature of the air going into your tire, that is getting hot, right.

以至于浑身发热,如果你摸气筒的阀门,相当于近似测量了进入轮胎的气体的温度，它会很热，对吧。

麻省理工公开课 - 热力学与动力学课程节选

But it can be acquired in the air, from patients that are from- from other individuals that are infected.

天花会通过空气传播,通过病人和其他感染者呼出的空气传播

耶鲁公开课 - 生物医学工程探索课程节选

There are no guarantees, but air travel is still much safer than other means of transportation.

CNN: How do you know your airline is safe?

But air travelers are unlikely to see anything like it on a large U.S. airline, he said.

CNN: Pay-as-you-weigh airfares the 'next step'

Most people may not have this on the tip of their tongues but air pollution is even tougher on kids.

FORBES: List: America's Most Polluted Cities