The baby spiders felt the warm updraft.

蜘蛛娃娃们感觉的上升。

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

之后，飞机将利用上升飞翔，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，那些上升也就越强。

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

对抗着上升和酸云, 这些不为人知的先驱者已经几乎环绕这颗行星一。

We're leaving here on the warm updraft.

“我们在乘着这的上升离开这里。

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

上升也极其危险，因为它可以把飞机推危险的高度。

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

你现在看的是被龙卷风强大的上升吸走的剥落的人造草皮。

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

和海鸥， 在上升嬉戏。 在爱尔兰， 您靠左行驶。

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

当这种情况发生时， 当空上升时会产生上升。

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

穿梭于火热的上升需要经验和技巧。

So the updrafts are so severe, right?

所以上升非常强烈，对吧？

We were caught in a strong updraft.

我们陷入了强烈的上升。

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

我们要建造一个叫做太阳能上升塔的东西。

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

世界上有些地方实际上使用巨大的太阳能上升塔来发电！

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

“上升”只是指一种空向上移动的风。

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

当雷暴上升失去能量时， 龙卷风被认为会消失。

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

那么，你能猜出我们的太阳能上升塔会做什么吗？

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

现在， 想象一下有那么强的上升， 连雨滴都无法落下，只能一直停留在那里。

It's all because of the updrafts.

这都是因为上升的作用。

Did you make a solar updraft tower of your own?

您自己制作了太阳能上升塔吗？