Even within the tropics, language diversity varies widely.

即使热带以内，语言的多样性也是差异很大。

This plant only grows in the tropics.

这种植物只生长热带地区。

Something about the tropics favours colourful females.

热带环境偏爱外表鲜艳的雌性。

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

全球变体现的个方面是热带地区张。

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

但温潮湿的现实世界中，夜晚只比白天稍微点。

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

热带地区很少有上升流，因此缺乏硝酸盐。

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

“那里属于温带和热带之间的交界地区。”

These forests stand in the tropics.

这片森林热带地区。

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

上部是热带地区，那里温潮湿。

In the sticky tropics, it could feel much worse.

闷热的热带地区，情况可能会更糟。

Life is more stable in the tropics.

热带地区的生物更稳定。

Insects are under fire from the poles to the tropics.

从极地到热带地区，昆虫都受到了攻击。

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

当然热带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，热带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，热带地区气候温，水量充足。

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

这对热带地区长大的人来说很困难。

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

“到了热带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.

去年热带森林的损失释放了27亿吨二氧化碳。

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

二人将每间房都打造出了热带微风的感觉。

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

那是热带地区雨水最多的湿季。