为了保持凉爽，人们把头发剃成光头。
蚂蚁保持凉爽的方法在动物中是独一无二的。
在古代中国，手扇几乎是唯一的帮助人们保持凉爽的工具。
In ancient China, hand fans were almost the only ones to help people keep cool.
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。
We think we lost this hair because of the need to keep ourselves cool, when we were moving around vigorously in a hot environment.
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。
Elephants, rhinos, and hippos don't have fur. They all live in hot places, where the trick is to keep cool.
对于那些照顾它们保持凉爽，给它们提供高能量饲料和定期挤奶的农场主来说，荷尔斯坦奶牛平均每年能产2275加仑的牛奶。
For the farmer who takes care to keep them cool, providing them with high-energy feed, and milking them regularly, Holstein cows are producing an average of 2,275 gallons of milk each per year.
这能让你保持凉爽，帮助你入睡。
人们很容易降低窗户的亮度以保持凉爽。
People could simply make the windows less bright to stay cool.
这也有助于办公室在炎热的夏天保持凉爽。
当你被迫坐在一个地方时，你的脚跟会保持凉爽。
When you are forced to sit in one place, your heels stay cool.
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？
So how does a hole in the ground, a burrow, stay cool in a hot climate?
这个房间整个夏天保持凉爽。
使你的工作环境或者电脑室尽可能保持凉爽舒适。
Keep your working environment or computer room as comfortably cool as possible.
在这样的天气要保持凉爽是不可能的。
在这样的天气要保持凉爽是不可能的。
这会增加西服的透气性，让你保持凉爽。
This will allow more air to penetrate your jacket and keep you cooler.
我调节了空调以保持凉爽。
我们用空调来保持凉爽。
四川成都，大熊猫们在想办法在炎热的夏天保持凉爽。
Pandas try to keep cool in the summer heat in Chengdu, Sichuan province, China.
我们应该使食物保持凉爽，否则就会变坏。
大量饮水有助于运动员保持凉爽，但无法解决湿度问题。
Drinking lots of water will help athletes maintain their cool, but humidity remains a problem.
问：夏季开车时，哪种保持凉爽的方法更省油，开空调还是开窗？
Q: Which method for keeping cool during the summer is better for fuel efficiency -- air conditioning or opening the windows?
冬天要使他们的身体感到暖和，夏天要让他们保持凉爽。
In the winter, keep your parents warm; in the summer, keep your parents cool.
自从非洲象开始生活的地方太阳如燃烧一样热，它们就用鼻子来保持凉爽。
Since African elephants live where the sun is usually blazing hot, they use their trunks to help them keep cool.
戴上这样的领带能让你整天保持凉爽，而且它还可以缓解头疼。
The polymer crystals in the tie can absorb up to 400 times their weight and release the moisture over two or three days, keeping you cool for days at a time.
如果电脑在一个角落，靠着一面墙，那么它不会获得足够的空气保持凉爽。
If a computer is in a corner, up against a wall, then it wont be able to get enough air to keep it cool.
混凝土板支撑结构在冬天可以蓄热，同时可以在夏季保持凉爽。
The concrete slab that supports the structure retains heat in the winter, yet helps keeps the home cool during summer months.
混凝土板支撑结构在冬天可以蓄热，同时可以在夏季保持凉爽。
The concrete slab that supports the structure retains heat in the winter, yet helps keeps the home cool during summer months.
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