为了保持凉爽，人们把头发剃成光头。
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.
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?
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.
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?
虎皮鹦鹉邦吉今年夏天找到了一个保持凉爽的新奇办法。
Bungy the budgie has found a novel way of keeping cool this summer.
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.
描述：本周，科学家们发现巨嘴鸟用它们巨大的喙来保持凉爽。
Caption: Toucans use their enormous bills to keep their cool, scientists found this week.
炎热环境下呆得舒服意味着要出汗，但还有其它方法保持凉爽。
Staying comfortable in the heat will mean sweating, but there are other ways to keep cool.
他们认为不同的设计使建筑物保持凉爽和收集雨水的能力不同。
They found that designs differ in their ability to keep buildings cool and to capture rainwater .
随着夏日越来越热，如果你和大多数人一样的话，一定也在找保持凉爽的办法。
As the summer sun begins to get hotter and hotter, if you're like most people, you'll be looking for ways to keep cool this summer.
穿宽松的衣服也是保持凉爽的好办法，特别是棉制品，它可以吸走身体的湿气。
Another great method for keeping cool is to wear loose fitting clothing, especially if they are made of cotton, to draw moisture away from your body.
我得承认我自己有时候也是这样做的，不过在炎炎夏日保持凉爽还是有其他办法的。
Although I'll confess that there are times I do just that, there are other ways to keep cool this summer.
你知道吗，有很多办法可以让你在炎热的夏天保持凉爽，并且保持较低的室内温度。
You see, there are plenty of ways to stay cool on hot, summer days and ways to help keep the temperature of your home down.
背面板的气流通道，提供通风，使背部保持凉爽，干燥，在您的长途跋涉。
Airflow channels on back panel provide ventilation so your back remains cool and dry during your trek.
清凉油含薄荷醇、樟脑及薄荷油等草本成分，据说可以使皮肤保持凉爽感。
It contains many herbal formulas, such as menthol, camphor and mint oil, that its fans claim keep their skin cool.
这里有很多在夜晚保持凉爽的方法，因此不管多么热，你都可以舒服地入睡了。
There are plenty of ways to stay cool at night so you can sleep comfortably despite the heat.
为了在炎热的夏季室内保持凉爽，建筑师安装了自动遮阳蓬和被动式通风装置。
To keep cool during the warm summer months, the architects installed automated shades and passive ventilation techniques throughout the home.
首先，这几天要保持凉爽，可以开开空调，然后多给孩子喝水，痱子就会下去的。
First of all, these days to keep cool, you can open the open air, and then give the child to drink plenty of water, heat rash will go.
外立面还具有一定的实用效益，就像一个太阳屏幕，使建筑保持凉爽和高效节能。
The facade also has some practical benefits and acts like a sun screen, which keeps the building cool and energy efficient.
外立面还具有一定的实用效益，就像一个太阳屏幕，使建筑保持凉爽和高效节能。
The facade also has some practical benefits and acts like a sun screen, which keeps the building cool and energy efficient.
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