Earth's equator is spinning around at hundreds of meters per second.

赤道以每秒460公尺的速率转动。

Melts all this down and there be enough to cover the planet in an ocean 35 meters deep.

把这些冰冠融化将可以得到深35公尺的海洋。

This is Mount Visoke, with a small crater lake in its summit at 3,700 meters.

这是比苏奇火山，高度 3700公尺的 顶峰上有个火山口湖。

To say it was powerful would be an understatement.

发讯号至M13星团， 使用位於波多黎各直径300公尺的阿雷西博天文台。

In two meters of ground, you could have 50 different plants.

只要有两平方公尺的土，你就能种出 50 种不同的植物。

Over 1 million cubic meters of loose rock needed to be cleared from the canyon walls.

峡谷壁上有超过一百万立方公尺的松散岩石需要。

Maybe we should stay 20 feet from other people. Maybe we shouldn't walk out our front doors at all.

或许我们应该与其他人保持6公尺的距离。或许我们根本不应该出门。

Predators, like the Dilophosaurus got to be six meters long.

肉食动物，比如六公尺长的双脊龙。

But building a 100-meter structure of this kind would have been a near impossible engineering feat for its time.

但是要兴建一百公尺的高塔在当时几乎是不可能的浩瀚工程。

With a combined length of almost 5 kilometers, these tunnels could divert roughly 5,600 cubic meters of water per second.

这些引水道的总长接近五公里，每秒钟可以引导大约五千六百立方公尺的水。

Told them of the test for sex carried out in the neighborhood of Metre 200.

向他们介绍了在二百公尺左右进行的性别测试。

In the thin air 6000 meters high a vast arid wasteland as far as the eye can see.

在六千公尺高的稀薄空气中，放眼望去是一片荒漠干。

Our mission was this: Dig a 150-meter tunnel from the 3rd block to the 4th, a tunnel 30 meters long.

我们的任务是从第三区挖出150公尺长的道到第四区 再挖出30公尺长的道。

Building these diversion tunnels required blasting into each side of the canyon to create 17 meter tall tubes.

要建造这些引水道，会需要炸入峡谷的两侧，创造出十七公尺高的管道。

From the gaping hole, a spray of fire charged with radioactive particles in fusion shoots a thousand meters into the sky.

火花从裂开的缺口喷溅 携带熔解的辐射粒子 喷向几千公尺的高空。

They shouldn't be able to get within a hundred yards of the place in any direction.”

他们不论从哪个方向都应该无法进入你周围的一百公尺才对。”

Just a couple of meters of snow can be enough to make it incredibly difficult for the sound to reach the surface.

只要几公尺厚的雪就足够使声音几乎不可能传到表。

They grow close to the ground and you get a couple feet of water on them, and they're trash. They're no good. They're worthless.

离面很近，哪怕几公尺的水位，也足以把它们淹没，变得一文不值。

Then he called her back to show her three yards of guipure that he had lately picked up " at a sale" .

她一走，他又把她叫回来，看一幅三公尺的镂空花边，那是他最近买到的" 抢手货" 。

In one month and four days, they dig a 150-meter tunnel, a job that in a mine would have normally taken three months.

他们在1个月又4天内挖了150公尺长的道 这是一般矿区3个月的工作量。