Man is a comparatively new creature on the surface of the earth.

人类是地球上出现得一种生物。

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，上帝创造了海洋中微小海 藻 。

Pigeons navigate less accurately when the earth’s magnetic field is disturbed.

地球磁场受到干扰时，鸽子道航能力就会变得不准确。

The earth revolves both round the sun and on its own axis.

地球既公转又自转。

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!

The rotation of the earth round the sun takes one year.

地球绕着太旋转要一年时间。

The earth orbits the sun once every 365.25 days.

地球每365.25天绕太轨道一圈。

The earth is one of the planets in the Galaxy.

地球是银河系中星球之一。

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。

It links the human heart to the life of the earth.

它把人心脏和地球生命联系起来。

Zounds of meteors, launched by an evil alien intelligence, are about to destroy Earth.

邪恶狡猾外星人发动了流行攻击，想要摧毁地球。

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

地球经度是用格林尼治子午线向东或向西度数来表示。

Mars takes longer to revolve on its axis than the earth.

火星自转一周时间地球长。

The lunar stone is different from earth's.

月球石头和地球不同。

I’m afraid geophysics is rather a closed book to me.

我对地球物理学一窍不通。

The creatures starts to vanish from the Earth, nature temperament also  pejoration day-by-day.

生物开始一种接一种地从地球上消失，大自然脾气也一天天变坏。

The earth makes a yearly revolution around the sun.

地球每年绕太一周。

Explain how the air temperature changes from the earth's surface to the lower thermosphere?

如何从地球表面到低热气层来改变大气温度?

Many types of animal have now vanished from the earth.

许多动物物种现已从地球上绝迹。