Even within the tropics, language diversity varies widely.

即使在热以内，语言的多样性也是差异很大。

This plant only grows in the tropics.

这种植物只生长在热地区。

Something about the tropics favours colourful females.

热偏爱外表鲜艳的雌性。

A facet of global warming is that the tropics are expanding.

全球变体现的一个方面是热地区正在扩张。

But in the real world of the warm and humid tropics, nighttime is slightly cooler than daytime.

但在温潮湿的现实世界中，夜晚只比白天稍微凉快一点。

There are few upwellings in the tropics, which are thus nutrient-poor.

热地区很少有上升流，因此缺乏硝酸盐。

It is a borderland between the temperate zone and the tropics.

“那里属于温和热之间的交界地区。”

These forests stand in the tropics.

这片森林在热地区。

Up in the tropics, it's warm and humid.

上部是热地区，那里温潮湿。

In the sticky tropics, it could feel much worse.

在闷热的热地区，情况可能会更糟。

Life is more stable in the tropics.

热地区的生物更稳定。

Insects are under fire from the poles to the tropics.

从极地到热地区，昆虫都受到了攻击。

Also of course the water down in the tropics is very warm.

当然在热地区下落的水滴是很热乎的。

When in reality, the tropics contain about 40% of area on Earth.

而实际上，热地区面积约占全球面积的 40%。

On average the tropics are warm and they get plenty of water.

总的来说，热地区气候温，水量充足。

It is difficult for somebody who has grown up in the tropics.

这对在热地区长大的来说很困难。

The tropics are where you find the variety, Len Ellis told me.

“到了热你才会知道苔藓之繁多。”莱恩·埃利斯对我说。

Last year's losses in the tropics released 2.7 gigatons of carbon dioxide.

去热森林的损失释放了27亿吨二氧化碳。

Kim and Yoon have created the breezy feel of the tropics in each room.

二将每间房都打造出了热微风的感觉。

That's the wet season in the tropics when they get the most rain.

那是热地区雨水最多的湿季。