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1·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》

2·Gravity pulls down cold air, and warm air rises.

重力令冷空气下沉，暖空气上升。

3·With the arrival of warm and pleasant weather, flowers are blooming in the warm air.

随着温暖宜人天气的到来，鲜花在温暖的空气中盛开。

4·Without those masses of cooling sea ice, warm air brought to the Arctic can penetrate further inland than it ever did before.

如果没有这些大量冷却的海冰，被带到北极的暖空气可以比以前更深入渗透到内陆。

5·Suddenly, there appeared a hole in their nest. The cold wind blew in through the hole and got away the warm air from the nest.

突然，他们的巢里出现了一个洞。冷风从洞里吹进来，把巢里的暖空气吹走了。

6·Birds use warm air currents to help their flight.

鸟利用暖气流助飞。《牛津词典》

7·Because warm air can hold more moisture than cool air, the relative humidity will be constant only if the amount of water vapor in the atmosphere increases as the temperature rises.

因为温暖的空气比冷空气能容纳更多的湿气，所以只有当大气中的水蒸气量随着温度的升高而增加时，相对湿度才会保持不变。

8·Ice dissolved in the warm air.

冰在温暖的空气中融化了。

9·With the cycling warm air drying system.

具有热风循环的烘干系统。

10·Cool air is piped in and warm air is piped out.

冷空气通过管道输送进来而暖空气则被输送出去。

暖空气

1·Suddenly, there appeared a hole in their nest. The cold wind blew in through the hole and got away the warm air from the nest.

突然，他们的巢里出现了一个洞。冷风从洞里吹进来，把巢里的暖空气吹走了。

2·Extreme rainfall events will also become more frequent and intense in a warmer climate, owing to another simple fact of physics: warm air can hold more moisture.

极端降雨事件在变暖的气候中越来越频繁，越来越强烈，其原因是另一个简单的物理事实：暖空气可以容纳更多的水分。

3·Cool air is piped in and warm air is piped out.

冷空气通过管道输送进来而暖空气则被输送出去。

4·I know I have a hard time concentrating when I'm breathing in stale or warm air and it affects my work.

我知道自己在污浊或暖空气里会很难集中精神，也影响工作。

5·Water vapor in the rising warm air condenses to liquid water.

上升的暖空气中的水蒸气冷凝成液体的水。