Decades of working over coal fires in tight, closed spaces with little fresh air (to ensure his dishes would not get cold) had fatally damaged his lungs.

几十年来，为了不让菜变凉，他在狭小、封闭的空间里用煤生火，里面几乎没有新鲜空气，这对他的肺造成了致命的伤害。

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We also need to clean up spills as soon as they occur, and store food in air-tight containers.

我们还需要尽快清理溢出的液体，并将食物储存在密封的容器中。

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The third containment is a hermetically (air tight) sealed, very thick bubble of the strongest steel and concrete.

第三个容器是严格密封的，用很厚的钢铁和混凝土打造的气泡状容器。

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After sifting and thinking, they recognized that because of the vehicle's finely tuned mechanics, its air-tight interior, air-tight exterior, etcetera, etcetera, etcetera, the car drove so quietly and elegantly that, yes, the only thing one could hear was that clock ticking.

FORBES: Marketers should make a statement and make it stick.

Consumers, and the media who influence them, are often resistant to industry experts no matter how impressive their credentials or apparently air tight their research.

FORBES: The Politics of Obesity: Here Comes the NGO -- Media -- Class Action Bar Complex

The water is combined is an air tight chamber with anaerobic digesters (bacteria) which take out about 70% of the bad stuff out of the water.

FORBES: DONQ: LEADING LIQUOR TO SUSTAINABILITY