Elephants, rhinos, and hippos don't have fur. They all live in hot places, where the trick is to keep cool.
大象、犀牛和河马都没有毛皮。他们都住在炎热的地方，在那里生活的诀窍就是保持凉爽。
We think we lost this hair because of the need to keep ourselves cool, when we were moving around vigorously in a hot environment.
我们认为，当我们在炎热的环境中活动时，我们需要保持凉爽，所以我们才会掉发。
The mantle's motions, analogous to those in a pot of boiling water, cool the mantle by carrying hot material to the surface and returning cooler material to the depths.
地幔的运动类似于一壶沸水的运动，它把热的物质带到表面，再把较冷的物质带到深处，从而使地幔冷却。
So how does a hole in the ground, a burrow, stay cool in a hot climate?
那么，地面上的一个洞穴要如何在炎热的气候中保持凉爽呢？
Water from a rain puddle or a mountain stream would quench his thirst and cool his hot dry throat.
雨水坑或山涧里的水可以解渴，清凉他干热的喉咙。
The net result is a continuous flow of gas, starting as hot gases in intergalactic space and ending as a drizzle of cool gas called a "cooling flow," falling into the central galaxy.
最终的结果是一股持续的气体流，开始是星系间的热气体，结束时是一股被称为“冷却流”的少量冷气体，落入星系中央。
The rain can cool the hot air.
那场雨使闷热天气凉快了不少。
This sounds like hot air, but it looks cool.
这听起来像是无稽之谈，但看起来棒极了。
One of the best ways to cool off on a hot summer day is to jump into a swimming pool.
在炎热的夏天，最好的降温方法之一是跳进游泳池。
For hot desert locations with access to seawater, a new greenhouse design generates freshwater and cool air.
对于能够接触到海水的炎热沙漠地区，一个新的温室设计可以产生淡水和冷空气。
It is easy for people to gloat when the cool jock with the hot girlfriend wrecks his sweet car, especially if he seems kind of smug.
当酷酷的运动员和火辣的女友撞坏了他的爱车时，人们很容易幸灾乐祸，尤其是当他看起来有点沾沾自喜的时候。
Taking a cool bath or a shower can feel really good on a hot day.
在热天洗个冷水澡或淋浴会感觉很好。
This also helps the office stay cool during hot summers.
这也有助于办公室在炎热的夏天保持凉爽。
If the bite becomes hot and red, try to cool it down first.
如果被咬的地方变得又热又红，先试着把它冷却下来。
You come home on a hot summer day, hoping to have a cool bath, but find there is no water.
在一个炎热的夏日，你回到家，想洗个凉水澡，却发现没有水。
He worked very hard so that by the time the sun was high, he was hot, and wished for a cool place where he might rest for a while and eat his dinner.
他非常努力地工作，所以当太阳高照的时候，他热极了，希望有一个凉爽的地方，他可以休息一会儿，吃他的晚餐。
Water runs through these pipes to cool off astronauts because wearing a space suit can make astronauts very hot!
水通过这些管子来给宇航员降温，因为穿着宇航服会让宇航员非常热！
Cool drinks are refreshing on a hot day.
在热天喝冷饮使人感到清爽。
The water's boiling hot. Pour it from one cup to another repeatedly to cool it.
开水太烫，拿两个杯子折一折就凉了。
British tourists enjoying the hot weather and cool water at Coogee beach in Sydney.
英国游客正在悉尼古珠海滩享受骄阳和清凉海水。
Love is not cold and love is not hot; it is a cool breeze, a fresh breeze, an early morning breeze.
爱既不冷也不热，它是一阵清凉的微风、一阵清新的微风、一阵清晨的微风。
Normally, the towers inhale air to cool hot water from the reactors.
通常说来，冷却塔吸入空气是为了冷却反应堆的沸水。
热的东西显然会变凉。
The climate is temperate and Mediterranean with hot, dry summers and cool, variably rainy winters.
其气候为温和的地中海气候，夏季炎热、干燥，冬季寒冷、多雨。
British tourists enjoying the hot weather and cool water at Coogee beach in Sydney couldn't see what all the fuss was about.
正在悉尼古珠海滩享受骄阳和清凉海水的英国游客不明白到底发生了什么。
It's pretty hot. I feel a bit cool without socks.
天太热了，不穿袜子还凉快点儿。
“Inside it’s still hot, and tries to cool to a more dense structure, ” Dr. LaCourse said.
“内部仍然很热，并冷却成为更致密的结构。”LaCourse博士解释道。
Still hot, but more calm, cool breeze, even if a little, gives people more hopeful.
还是热，心里可镇定多了。凉风，即使是一点点，给了人们许多希望。
Still hot, but more calm, cool breeze, even if a little, gives people more hopeful.
还是热，心里可镇定多了。凉风，即使是一点点，给了人们许多希望。
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