At some unspecified time in earth s past, God created microscopic algas in the oceans.

在地球历史上某个时候，上帝创造中微小 藻 。

Let's pretend we're on the spaceship orbiting round the earth!

让我们假装是在沿轨道绕地球运转宇宙飞船上!

They put a weather satellite into orbit round the earth.

他们把一颗气象卫星送入环绕地球轨道。

The moon is a satellite of the earth.

月球是地球一颗卫星。

Terrestrial longitude is measured in degrees east or west of the Greenwich meridian.

地球经度是格林尼治子午线向东或向西度数表示。

The lunar stone is different from earth's.

月球石头和地球不同。

The orbit of the artificial satellite has an apogee of 200 miles from the earth.

这个人造卫星轨道，其最远点在离地球200英里地方。

The Pacific Ocean is the biggest ocean in the earth.

太平是地球上最大。

News of the astronauts' safe return to earth was delayed.

宇航员安全返回地球消息被推迟。

The tides are caused by the attraction of the moon for the earth.

潮汐是由月亮对地球引力引起。

The second problem posed when considering catastrophism is the earth's past impact history.

灾变论解释过去地球被撞击历史时，第二个问题就出现。

The earth crosses the tracks of certain comets.

地球穿过某些彗星轨迹线。

This discovery disproved the idea that the world was flat.

这个发现驳斥地球是扁平看法。

How do you demonstrate that the earth is round?

你怎样证明地球是圆?

The shape of the earth is an oval.

地球形状是个椭圆形。

Our earth is but a part of the universe.

我们地球只是宇宙一部分。

Man is a dweller on the earth.

人类是地球寄居者。

In former times there were far fewer people dwelling on earth than there are now.

从前生活在地球上人比今天少得多。

The child thought the world was flat until I enlightened him!

"这孩子原以为地球是平,后我告诉他,他才知道不是。"

Columbus's contention that the earth was round turned out to be correct.

结果证明哥伦布认为地球是圆这一论点是对。