One degree of latitude on the earth's surface equals almost 70 miles.

表上的纬度一度相当将近七十英里。

Disaster movies often portray catastrophes that destroy, or at least threaten to destroy earth's entire population.

灾难影片经常刻画那些毁灭，或者至少威胁着要毁掉球上全部人类的大灾难。

Compared to earth's mass, Jupiter is thought to be much larger than that.

与球的质量相比，木星要大得多。

Fast enough to escape earth's gravity and begin the shuttle era.

使其能以足够快的速度逃离球引力，从此开始航天飞机时代。

The journey of these emissions begins deep underground in the earth's core.

这些排自于核深处。

It is earth's constant companion in the dark emptiness of space.

在黑暗空虚的太空中，它忠实陪伴球。

If one of these rocks hit's the earth's atmosphere, it becomes a meteor.

如果其中一个流星体撞上了球的大气层，它就会变成流星。

Once beyond earth's orbit, astronauts will dock with a small space station.

一旦超出球轨道，宇航员将与一个小型空间站对接。

These ocean waves are among the earth's most complicated natural phenomena.

这些海浪属于球上最复杂的自然现象。

Leaving the moon's gravity was not as painful as leaving the earth's.

摆脱月球引力不想摆脱球引力那样痛苦。

Scientists have reason to believe that the earth's temperature is rising.

学家们有由相信球的温度正在上升。

For example, the earth's population is rising.

例如，球上的人口数量正在增加。

Some of the earth's resources are starting to disappear.

球上的一些资源正开始消失。

This and other gyres cover about twenty-five percent of the earth's surface.

太平洋环流和其他环流覆盖了球表面约百分之二十五的面积。

What is a rejection in love judged against the earth's 4. 5 billion year history?

和球45亿年的历史相比，爱情受挫算什么？

Long before dolphins swam the seas, their near look-alike ichthyosaurs inhabited the earth's oceans.

远远早于海豚在海中畅游之前，外形与其极为相似的鱼龙就已经栖息在球的海洋中了。

Or, 'twenty miles below the earth's surface', definitely not immediately under it.

再有“表20英里以下”，指的绝对不是指紧挨着表的方。

The rainwater slowly dripped down to the earth's crust.

雨水缓缓滴落到壳上。

The Nile is the earth's resource, it belongs to the earth.

尼罗河是球的资源，是属于球的。

The earth's poles are called the North Pole and the South Pole.

球的极点称作北极和南极。