This gradient increases with height, because compression decreases with height more slowly in cool air than in warm air.

这种梯度随碎高度增加，随高度增加的冷空气压缩能力减小。

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Flags and bunting hung limply in the still, warm air.

旗子和飘带在静止、温暖的空中无力地垂着。

《柯林斯英汉双解大词典》

After a few more climbs, once to the top of the domed reservoir, my fear seemed to evaporate in the warm midnight air—I had simply been out of practice.

爬过几次后，只要爬到半球形蓄水池顶，我的恐惧似乎就在午夜温暖的空气中蒸发了——原来，只是我久不练习而已。

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Bike in the warm evening air to take in a play at the Herb Strauss Theatre or the J Howard Wood Theatre.

BBC: Florida��s stunning island sanctuary

Expect your adrenaline levels to rocket and, in the warm, thin air, you will realise that cowering in front of an oncoming silverback is not something you could ever get used to.

BBC: Gorillas in the mix in Uganda

In the winter, warm air near the ceiling is pushed downward, reducing heating bills.

FORBES: How Big Ass Fans Can Improve Life for Working People, Fix the Economy, and Help Solve World Health Problems.