N-PLURAL affected manners intended to impress others (esp in the phrases give oneself airs, put on airs) 装腔作势
S. national air quality standards.During one dust storm, airborne aluminum concentrations exceeded 1,400 micrograms per cubic meter.
一场沙尘暴中,空气中的铝浓度会超过1400微克每立方米。
Over the last five years, Boeing, the U. S. Air Force and Navy, Honeywell UOP and others have systematically tested and advanced the alternative fuel.
在过去的五年里,波音公司,美空军、海军,霍尼韦尔环球石油公司等都已经系统性的测试并完善了这些新能源。
The U. S. Air Force also will operate an F-35 variant, the a model, a conventional takeoff-and-landing fighter.
美国空军也将经营新的F - 35的变种A型,一种传统的起飞和着陆战斗机。
Before the flight went down, sensors gave conflicting information on air speed to the plane's computers, possibly because of ice.
VOA: special.2009.06.13
And then, suddenly I need to MacBook Air sell my MacBook Air on Craigslist and I can take the person's credit card instead of having them bring $1200 to me or whatever I'm selling it for.
之后突然我需要,在克雷格斯利斯特网站上卖我的,而且我可以让那个人拿信用卡过来,而不是,带着1200美元或是我需要的别的东西给我。
dT/dp is mu JT. So for a real gas like air, this is a positive number. It's not zero.
所以对于像空气这样的真实气体,这是一个正数,不等于零。
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