One day, a little boy was walking on the planet.

有一天，一个小男孩在这个星球上行走。

One day, a little boy Jim was walking on the planet, when he passed a cave and noticed a small red flower inside.

一天，一个小男孩吉姆在这个星球上行走，当他经过一个洞穴时，他注意到里面有一朵小红花。

Scientists think there was probably water on the planet long ago.

科学家们认为很久以前在那个行星上可能有水存在。

That may sound like a description of every teenager on the planet.

这听起来可能像是对这个星球上每个青少年的描述。

For seven million years they lived on the planet as part of nature.

七百万年来，他们作为大自然的一部分在这个星球上生活。

Of course, that may sound like a description of every teenager on the planet.

当然，这听起来可能像是对这个星球上每个青少年的描述。

To begin with, they will have to find out whether life has ever existed on the planet of Mars in the past.

首先，他们必须搞清楚火星上是否曾经存在过生命。

This break in Earth's history is marked by a mass extinction, when as many as half the species on the planet became extinct.

地球历史上的这次重大灾难以物种的大量消亡为标志；当时，地球上多达一半的物种都灭绝了。

Polar bears are the largest land animals that eat meat on the planet.

北极熊是地球上最大的陆地肉食动物。

People either drive me away or avoid me when they see me. You must be the happiest bird on the planet.

人们看到我，要么把我赶走，要么躲着我。你一定是这个星球上最幸福的鸟了。

It is home to the most inhospitable environment on the planet because it is supposed to be an extremely cold place.

它是地球上最荒凉的环境的所在地，因为它应该是一个极其寒冷的地方。

The most attractive point of GPS is its 100% coverage on the planet.

GPS全球定位系统最吸引人的地方是它在地球上达到了100%覆盖。

That means one out of six people on the planet uses Huawei hardware.

那意味着，地球上每六个人中，就有一个人使用华为的硬件。

There was a bit of me that didn't want to love this story when everyone else on the planet did.

当这个星球上的其他人都喜欢这个故事时，我却有点不喜欢它。

Whatever the cause, dinosaurs, as well as about half of all species on the planet, went extinct.

不管什么原因，恐龙以及地球上几乎半数以上的物种灭绝了。

For the rest of 2009, you can count on the planet Jupiter to mark Capricornus' whereabouts in the sky for you.

在2009年剩余的其他日子里，你可以根据木星来找到摩羯座在天空中的位置。

This is an entirely new situation that promises to change many of the perceptions governing life on the planet.

这是一个全新的局面，它承诺改变地球上许多统治生命的观念。

One way we keep track of the radiation budget is by looking at the albedo of the different surfaces on the planet.

我们记录辐射收支的一种方法是观察地球上不同表面的反照率。

Made up of a series of white skulls, the painting reminds drivers of the effect their pollution is having on the planet.

这幅画由一系列惨白的骷髅头构成，提醒着司机们尾气污染对地球造成的影响。

From the moment life began on the planet, the climate has swung drastically and often abruptly from one state to another.

自从地球上出现生命的那一刻起，气候就剧烈地变化着，常常是突然地从一个状态转向另一个状态。

There are three places on the planet that have high energy physics equipment in order to make these, and these are the three places.

地球上有三个地方有高能物理设备来制造这些，这就是那三个地方。

At the same time, today, the actions, and inaction, of human beings imperil not only life on the planet, but the very life of the planet.

与此同时，今天，人类的行动和不作为不仅危害地球上的生命，而且危害地球本身的生命。

Any observer with a decimal chronometer and a view of the sun's height above the horizon would then know instantly where on the planet he was.

任何人只要有这样一块十进制表，再加上能看到地平线以上太阳的高度，就会立刻知道他在地球上的位置。

Given the extraordinary diversity of life on the planet, there must be mechanisms for speciation: the formation of two species from one original species.

考虑到地球上的生命的非凡多样性，一定存在着形成物种的机制：从一个原始物种演变为两个物种。

Some scientists are examining the potential for harvesting icebergs from Antarctica, which is estimated to have the biggest reserves of fresh water on the planet.

一些科学家正在研究从南极洲收集冰山的可能性。据估计，南极洲拥有地球上最大的淡水储备。

Like humans, killer whales have colonized a range of different habitats across the globe, occupying every ocean basin on the planet, with an empire that extends from pole to pole.

像人类一样，虎鲸也在全球范围内开拓了一系列不同的栖息地，占据了地球上的每一个海洋流域，拥有一个从一极延伸到另一极的帝国。

In Flannery's 1994 book called The Future Eaters, he sets out his thesis that human beings are a new kind of animal on the planet, and are in general, one prone to ruining ecosystems.

在弗兰纳里1994年出版的《未来的食客》一书中，他阐述了自己的论点，人类是地球上的一种新型动物，而且是一种倾向于破坏生态系统的新型动物。

A year on the planet is only 60 days.

在那星球上，一年就只有60天。

Most powerful woman on the planet.

地球上最具权势的女人。

We’re the biggest start up on the planet.

我们是地球上最大的初创企业。