The baby spiders felt the warm updraft.

蜘蛛娃娃们感觉到温暖的升气流。

We're leaving here on the warm updraft.

“我们在乘着这温暖的升气流离开这里。

Rising air is the first ingredient needed for a tornado to develop.

升气流是形成龙卷风所需要的第一个要素。

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

，飞机将利用升气流飞翔，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，并且形成风暴的团越大时，那些升气流也就越强。

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

升气流也极其危险，因为它可以把飞机推到危险的高度。

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

对抗着升气流, 这些不为人知的先驱者已经几乎环绕这颗行星一周。

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

你现在看到的是被龙卷风强大的升气流吸走的剥落的人造草皮。

Condensation releases heat, and heat becomes the energy that drives huge upward drafts of air.

凝结释放热量，热量成为驱动大量气流升的能量。

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

穿梭于火热的升气流中需要经验技巧。

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

我们要建造一个叫做太阳能升气流塔的东西。

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

“升气流”只是指一种空气向移动的风。

We were caught in a strong updraft.

我们陷入了强烈的升气流中。

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

海鸥， 在升气流中嬉戏。 在爱尔兰， 您靠左行驶。

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

那么，你能猜出我们的太阳能升气流塔会做什么吗？

Did you make a solar updraft tower of your own?

您自己制作了太阳能升气流塔吗？

As the air climbs, it can change direction and start to move more quickly.

当气流升的时候，它可以改变方向并且开始以更快的速度移动。

Spiraling updrafts lifted the sails, and the spiders were on their way.

螺旋升的气流扬起了帆，蜘蛛们正在赶来的路。

The conditions experienced by the hailstone can change as it passes horizontally across or near an updraft.

当冰雹水平穿过或靠近升气流时， 冰雹所经历的条件会发生变化。

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升气流塔来发电！