The baby spiders felt the warm updraft.

蜘蛛娃娃们感觉到温暖的流。

We're leaving here on the warm updraft.

“我们乘着温暖的流离开里。

From there, they use natural updrafts, also called mountain waves, to soar to the sky.

之后，飞机将利用流飞翔，人们也把他叫作“地形波”。

The more condensation and the bigger the storm clouds grow, the more powerful those updrafts become.

凝结程度越大，并且形成风暴的云团越大时，那些流也就越强。

Battling violent updrafts and acid clouds, these non-stick pioneers were swept nearly halfway round the planet.

对抗着流和酸云, 些不为人知的先驱者已经几乎环绕颗行星一周。

An updraft is also extremely treacherous because it can push an aircraft upward to dangerous altitudes.

流也极其危险，因为它可以把飞机推到危险的高度。

What you're looking at is the peeled back artificial turf that was sucked up by the powerful updraft of this tornado.

你现看到的是被龙卷风强大的流吸走的剥落的人造草皮。

AND THE GULLS, PLAYING IN THE UPDRAFTS. IN IRELAND, YOU DRIVE ON THE LEFT.

和海， 流中嬉戏。 爱尔兰， 您靠左行驶。

We're going to build something called a solar updraft tower.

我们要建造一个叫做太阳能流塔的东西。

As that happens, an updraft is created when the warm air rises.

当种情况发生时， 当暖空时会产生流。

It takes experience and skill to weave in and out of the fire's hot updrafts.

穿梭于火热的流中需要经验和技巧。

So the updrafts are so severe, right?

所以流非常强烈，对吧？

We were caught in a strong updraft.

我们陷入了强烈的流中。

" Updraft" just means a kind of wind where air moves up.

“流”只是指一种空向移动的风。

Tornadoes are thought to die off when thunderstorm updrafts lose energy.

当雷暴流失去能量时， 龙卷风被认为会消失。

There are some places in the world where they actually use giant solar updraft towers to generate electricity!

世界有些地方实际使用巨大的太阳能流塔来发电！

So, can you guess what our solar updraft tower will do?

那么，你能猜出我们的太阳能流塔会做什么吗？

Now, imagine updrafts so strong that not even the raindrops can fall out, and it just stays up there.

现， 想象一下有那么强的流， 连雨滴都无法落下，只能一直停留那里。

It's all because of the updrafts.

都是因为流的作用。

Did you make a solar updraft tower of your own?

您自己制作了太阳能流塔吗？