The cool air of the twilight was scented with sweetbrier.

暮色里凉风袭人，暗香浮动。

Trees can keep the air clean. They can cool the air too.

树木可以使空气清洁，它们也可以使空气凉爽。

They keep the air cool and clean.

它们保持空气凉爽，干净。

I could feel cool air blowing on me.

我能感受到迎面吹来了凉爽的风。

This is going to represent the cool air mixing in.

这代表遇到冷空气。

First, cool the air to well below the desired room temperature.

首先，将空气冷却到低于理想室温的程度。

Pull over, and fill your lungs with cool alpine air at Olmsted Point.

那么，现在就到奥尔姆斯特角泊好车，尽情呼吸高山清爽空气吧！

While developing an apparatus to reduce humidity, Willis Carrier also found it cooled the air.

在开发一种除湿装置时，威利斯·卡利发现它还可以制冷。

But, they still turned their car engines on and off to get cooler air.

但是他们仍然需要打开引擎好让车内更加凉快。

The air-to-water system works like an air conditioner by using coils to cool air.

空气-水系统的工作原理类似于空调，利用线圈来冷却空气。

Here, cold sea currents cool the hot desert air and produce huge fog blankets.

冰冷的洋流冷却了沙漠的空气，并氤氲出大雾。

At night the larger box is left open, to let in the cool slightly humid air.

晚上，外层的大盒子打开，让有些清凉湿润的空气进入盒子。

She explains that the combination of warm soil and cool air helps their roots to grow.

她解释说温暖的土壤和凉爽的空气都有助于根的生长。

West of Flagstaff, Route 66 leaves behind the pine trees and cool air for much warmer climates.

弗拉格斯塔夫市的西边，66号公路两旁不再松树林立，气候也渐渐由冷转暖。

This moisture cooled the air around the 'shroom, causing a convective dynamic that got the air moving.

湿气会降低蘑菇周围的温度，从而形成一个对流动力，使得空气流动。

Apparently, in warmer and more humid climates, water particles become more buoyant and can help cooler air rise.

显然在更加温暖潮湿的气候中，水颗粒变得更有浮力，可以帮助较冷的空气上升。

Feel the cool air on your face, and of course you can hear birds chirping, sometimes a rooster crowing.

用你的脸去感受凉爽的空气，当然你也会听到鸟鸣声，也可能是公鸡打鸣的声音。

However, a study from the University of California, Davis found that there are circumstances in which cool air rises.

但加利福尼亚大学戴维斯分校的一项研究发现存在冷空气上升的情况。

With only small engine, it flies best in the cool morning air with no more than a light breeze.

在小引擎的带动下，希尼布勒极适合在刮着微风的寒冷早晨航行。

The heat wave has put pressure on power systems and forced Argentines to seek cooler air in the shade.

热浪给电力系统带来了压力，迫使阿根廷人到阴凉处寻找更凉爽的空气。