地球的力量 第2集 大氣(8)巨大漩渦

To understand the troposphere we live in,

要想了解我們所居住的對(duì)流層

you have to think of it not just as gases, but also asa fluid.

那你就不能把大氣層只看做氣體也應(yīng)該看做流體

In effect, we live at the bottom of an ocean of air.

實(shí)際上，我們生活在氣團(tuán)的海洋中

Just like water, air has turbulence.

就像水一樣，空氣也有擾動(dòng)

These clouds are formed as the air creates eddy currents

云的形成就好像是空氣產(chǎn)生的渦流

flowing around the tips of mountains.

在山尖流動(dòng)

Tornadoes are like giant whirlpools.

旋風(fēng)好像是巨大的漩渦

And just like the ocean, the troposphere even has waves.

就好像是海洋一樣對(duì)流層甚至也有波浪

This cloud in Queensland, Australia,

澳大利亞昆士蘭的這種云

is one of the largest waves in the world.

實(shí)際上是世界上最大的波浪

It can reach to over a mile high.

它可以達(dá)到2千米高

It's a solitary tropospheric wave

它是一個(gè)單獨(dú)的對(duì)流層氣流

that combined with the humidity in the region

結(jié)合潮濕的氣團(tuán)

takes the form of a visible cloud.

成為云的形式