Less than two hundred meters, he found his target, a width of about three metres of the stream, the stream is clear, clear streams and bring a comfortable cool.
不到两百米，他就找到了自己的目标，一条宽约三米的小溪，溪水清澈见底，清冽的溪水带来一份舒爽的清凉。
The researchers speculate that hair may have actually evolved to help animals stay cool, because it first sprouted in mammals over a hundred million years ago in a hot climate.
研究而人员推测，进化出毛发是为了保持身体凉爽，因为毛发是在一亿年前炎热的季节首次在哺乳动物身上生长的。
Keep cool: it will be all one a hundred years hence.
保持冷静吧，自今起百年之后，全都一样啦。
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