The more stripes a zebra has, the hotter its environment.

斑马的条纹越多，其环境就越热。

The material helps keep the building cool in a hot environment.

这种材料有助于建筑物在炎热的环境中保持凉爽。

It hot environments, you can lose 1 to 1.5 liters of sweat an hour.

在炎热的环境中， 您每小时会流失 1 至 1. 5 升汗液。

So we know that men who work in hot environments are less fertile than men who had other occupations.

所以我们知道，在炎热环境中工作的男性生育能力低于从事其他职业的男性。

What is amazing is that because they often live in a dry and hot environment, they drink very little water.

令人惊奇的是， 由于它们经常生活在干燥炎热的环境中，所以喝的水很少。

This one millimeter animal can survive both the hottest and coldest environments on Earth, and can even withstand high levels of radiation.

这种一毫米长的动物可以在地球上最热和最冷的环境中生存，甚至可以承受高水平的辐射。

The bacteria live in hot springs that can reach up to 205 degrees Fahrenheit, an extremely hot environment which would be intolerable for most other organisms.

这种细菌生活在温度高达华氏 205 度的温泉中，这是大多数其他生物无法忍受的极端高温环境。

Some modern animals do stash away some of their prey to eat later, but this behavior is pretty rare, especially in hot environments like where Thrinaxodon lived, where food decays quickly.

一些现代动物确实会把它们的一些猎物藏起来， 以备日后食用，但这种行为非常罕见， 尤其是在像 Thrinaxodon 生活的炎热环境中，食物会很快腐烂。

Now, giant ground sloths aren't hippos - obviously - but researchers think that it's totally plausible that they might've wallowed in pools, because lots of other big herbivores that live in hot, dry environments do this.

现在，巨型地懒显然不是河马，但研究人员认为它们可能在水池中打滚是完全合理的，因为生活在炎热干燥环境中的许多其他大型食草动物也会这样做。