A cold draught of air blew in from the open window.
一股寒气从敞开的窗户吹了进来。
It removes heat from the air outside or the ground below and uses it to supply heat to a building or its water supply.
它从外面的空气或下方的地面收集热量，并用此来供应建筑物或其供水所需的热量。
The remaining trees draw a greater share of the available moisture, so they grow and thrive, restoring the forest's capacity to pull carbon from the air.
剩下的树木吸收了更多的可用水分，因此它们茁壮成长，恢复了森林从空气中吸收碳的能力。
If you don't study hard from now on, your ambition to enter Tsinghua University will be just a castle in the air.
如果你不从现在开始就努力学习，你考进清华大学的抱负就是异想天开。
Transporting fruits and vegetables by air enables consumers to enjoy a wider variety of fresh farm products that are in season from all over the world.
空运果蔬可以让消费者享受更多的来自世界各地的新鲜的当季农产品。
The greatest single advance began in 1800 when a Frenchman, Nicolas Appert, discovered that he could preserve certain foods by sealing them in jars and keeping the air from them.
最大的进步开始于1800年，当时法国人尼古拉斯·阿佩尔发现，他可以把某些食物密封在罐子里，不让空气进入。
Viewers can see the stadium from the air, courtesy of a camera fastened to the plane.
由于飞机上安装有摄像机，电视观众可从空中鸟瞰体育场。
Thirteen years ago she found herself having to conjure a career from thin air.
十三年前她认识到自己得白手起家闯出一番事业来。
This heated air, drawn down from the roof, then mixes with the greenhouse air as it reaches a second sea-water-moistened cardboard wall at the back of the greenhouse.
从屋顶吸出的这种热空气，在到达温室后部第二个被海水润湿的纸板壁时，便与温室空气混合。
These green spaces provide people in a congested city with a breath of fresh air and a place to relax from the rigours of the day.
这些绿色空间为拥挤城市里的人们提供了呼吸新鲜空气和在紧张日子里放松的地方。
Furthermore, in a congested city these green spaces offer a breath of fresh air and a place to relax from the rigours of the day.
此外，在一个拥挤的城市，这些绿色空间能让我们呼吸一下新鲜的空气和有一个地方放松一天的紧张。
Get off a stop earlier, make a circuit of the park at lunchtime, walk the child to and from school, get a dog, feel yourself moving in moving air, look, listen, absorb.
提前一站下车，午餐时间去公园转一圈，带孩子上下学，养条狗，感受自己在流动的空气中移动，观察，倾听，吸收。
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。
As the tree grows, it adds a layer to its trunk taking up chemical elements from the air.
随着树木的生长，它在树干上增加了一层吸收空气中的化学元素而生成的膜。
A MERV rating tells you how well the filter can remove pollen and mold from the air as it passes through.
MERV等级可以让你知道当花粉和霉菌在空气中传播时，过滤器将如何将之过滤。
A substantial number of innocent people are suffering from various kinds of incurable diseases due to water and air pollution.
由于水和空气污染，很多无辜人民患上各种不治之症。
An air bubble ascending from the ocean floor contorts and twists into a semicircle as a wave breaks in the background.
当波浪在背景中破碎时，从海底升起的气泡扭曲成半圆形。
An air bubble ascending from the ocean floor contorts and twists into a semicircle as a wave breaks in the background.
当波浪在背景中破碎时，从海底升起的气泡扭曲成半圆形。
Look under the car for fluid leaks. Except for condensation from a working air conditioner on a hot day, no car should ever drip anything, any time.
检查一下汽车下方有没有液体泄漏。除了汽车空调在炎热的天气下工作产生的冷凝水外，任何时候汽车都不应该滴水。
The water evaporates and the salts are left behind, creating a white crustal layer that prevents air and water from reaching the underlying soil.
水蒸发留下盐分，形成白色的地壳层，阻止空气和水进入下面的土壤。
A century earlier, Henry Cavendish had noted the existence of a residual gas when oxygen and nitrogen are removed from air, but its importance had not been realized.
一个世纪前，亨利·卡文迪什注意到当空气中的氧气和氮气被除去，还有其他剩余气体存在，但人们还没有认识到它们的重要性。
Many a person has suffered from air pollution.
空气污染影响了很多人。
At a party, he instructed a Royal Air Force pilot to remove the bulb from a light fitting and place it in a flowerpot, on hearing the word Germany.
在一次派对上，他让一名皇家空军(RoyalAir Force)飞行员一听到“德国”这个词，就把灯具上的灯泡取下来，放到花盆里。
Except for condensation from a working air conditioner on a hot day, no car should ever drip anything, any time.
除了在炎热的天气里空调的冷凝物，任何时候任何汽车都不应该滴水。
He decided that trees use water, and a gas from the air, to grow.
他认为树木需要水和空气中的气体来生长。
The scientist did a test and found that trees can grow because of water and a gas from the air.
科学家做了一个测试，发现树木可以生长，是因为水和空气中的气体。
When the tea service master pours water into the Gaiwan, you will see the water falling from the air into Gaiwan, with a lively sound.
当茶艺师傅把水倒进盖碗时，你会看到水从空中落到盖碗里，发出清脆的声音。
The pieces are carefully shaped by hand from a very special kind of clay and then allowed to air-dry.
这些作品是用一种非常特殊的粘土手工精心塑造的，然后进行风干。
One day, when Laozi was traveling through the Hangu Pass in Henan from the east, a purple mist suddenly appeared in the air.
一天，当老子正从东边经过河南的函谷关时，一缕紫色的薄雾突然出现在空中。
This "purple air from the east" story made people believe the color was a symbol of great saints from that point on.
从那时起，“紫气东来”的故事使人们相信，紫色是伟大圣人的象征。
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