Fans were first used to cool the air during the Song dynasty.
在宋朝，扇子首次用于扇凉空气。
One cattail leaf fan can be used to cool the air.
一个香蒲叶风扇可用于冷却空气。
You cool the air, bounce by my feet.
你让空气变得寒冷，弹落在我的脚边。
Trees cool the air as well as clean it.
树木不仅能使空气变凉，而且能净化空气。
Trees cool the air as well as clean it.
树不但能清洁空气，而且还能使空气凉爽。
Springs, water curtains, pools and brooks in the park will cool the air by evaporation.
园内的喷泉、水幕、水池和小河都能通过水分的蒸发带走空气中的热量。
Aerosols can warm the stratosphere and cool the air below by absorbing energy from the Sun.
气溶胶可以使平流层升温，并通过吸收太阳能量使得下层气温降低。
Many air conditioners work something like this. First, cool the air to well below the desired room temperature.
很多空调制商都在制产下面这样的产品：首先，将空气冷却到低于理想室温的程度。
Well, trees are natural air conditioners. They cool the air and clean it. Three trees can do the job of 15 air conditioners.
嗯，树木是天然的空气净化器。他们空气的温度下降，把它打扫干净。三棵树就能做这项工作15空调。
In summer people good greed, electric fans love to cool the air conditioning blows, vulnerable to infection caused by cold, catch a cold.
夏天人们好贪凉，喜爱电扇空调对着吹，很容易感染风寒，引起伤风感冒。
For the indirect cooling method, glycol liquid as the secondary coolant is cooled in the refrigerating unit, pumped to the cooler in the house to cool the air.
乙二醇间接制冷方式是通过低温盐水机组将乙二醇降到一定温度，通过循环泵将乙二醇溶液供到需要制冷的气调库内换热器中，再由换热器对库内环境进行制冷。
The evaporator helps cool the air, the condenser readies the refrigerant for the cooling process, and the compressor moves refrigerant back and forth between them.
蒸发器帮助空气冷却，冷却器为冷却过程准备冷却剂，压缩机将冷却剂在蒸发器与冷却器之间传递。
Reaction engines is focusing on a critical piece of technology called a heat exchanger, needed to rapidly cool the air before it can be used by the spaceplane's engines.
反应引擎部着力于一种称为热交换的关键技术，该技术需要快速冷却空气，在其可被空天飞机的引擎利用之前。
An air-conditioning unit outside the house or building runs USES electricity to cool the air and then sends into the building through openings in the rooms of the buildings.
室外的一个空调装置则使用电力将空气的温度下降，下降的空气通过房间的通道送往整栋大楼。
The evaporator helps cool the air, the condenser helps ready the system's refrigerant for the cooling process, and the compressor helps move refrigerant back and forth between them.
蒸发器有助于冷却空气，冷凝器帮助准备冷却过程中的制冷剂，压缩机有助于制冷剂在它们之间移动来回。
The February air was soft, cool, and inviting.
2月的空气温和、清爽，而且怡人。
The air is cool and crisp today.
今天的空气是凉爽且清爽的。
To protect the stamps, some people also put the stamps into a special room which has a machine to keep the air cool and dry.
为了保护邮票，一些人也把邮票放在有机器保持空气凉爽和干燥的特殊房间里。
空气凉了下来。
The rain washes away the signs of summer and brings in nice and cool air.
雨洗去了夏天旳痕迹，带来了清新而清爽的空气。
The rain can cool the hot air.
那场雨使闷热天气凉快了不少。
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。
The fridge stays cool, thanks to air from under the ground.
冰箱利用地下空气来保持低温。
Cool air came up through small holes in the tables.
冷空气从桌子上的小洞里吹了出来。
Leaving the tumult of scents and sunlight, in the cool evening air, the mind would grow calm and the body relaxed, savoring the inner silence born of satisfied love.
离开喧闹的气味和阳光，在傍晚的凉爽空气中，头脑会变得冷静，身体放松下来，享受由令人满足的爱恋感而生出的内心的宁静。
Mr Kondo was also forced to remove casings from the computer and blow cool air onto the machine with fans as the temperature in his home rose to 40 degrees in the hottest Japanese summer since 1946.
同样在自1946年以来出现的日本最热的夏天里，当位于他房间的计算机的温度上升到40度时，近藤先生强行拆除了机箱并用电风扇向计算机吹冷风降温。
The air wands can apply cool air directly to the “hot spots” inside a server tray, meaning less air is wasted or misdirected in the server room or container.
这个空气杆能够为在服务器托盘中位那些热的部件提供冷空气，这意味着减少了冷空气的浪费以及在机房的非直接性质的冷空气。
However, for a while the land around the city acted as a natural air conditioner, keeping the air cool through evaporation of moisture from the ground.
不过，有一段时间，莫斯科市周围的土地起到了自然空调的作用，通过从地面蒸发湿气保持空气凉爽。
For most of the country, the crisp cool air of autumn is upon us.
在很多国家，凉风习习的秋天已经来到了我们身边。
That in turn cools the air above the surface of the sea, allowing more cool dry air to descend from above.
紧接着，这会降低海平面至上大气的温度，使得更多低温干燥的空气降落到表面。
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