People used to believe that the earth was flat.

人们一度认为地球是平的。

Equipment on the space station is teleoperated from earth.

空间站上的设备是从地球遥控的。

The earth is almost 25,000 miles in circumference.

地球的周长大约为25,000英里。

Hunters kill animals for practical purposes.

猎人杀动物是为了实际的目的。

These photos capture some relaxing paradises on earth.

这些照片拍摄下了地球上一些最闲适的天堂。

The earth goes round the sun.

地球围绕太阳运转。

People once held that the earth was flat.

人们曾经以为地球是平的。

Rocky earth ploughs poorly.

多岩石的土地不适宜耕作。

Do you have "From Earth to Moon"？

你有《从地球到月亮》这本书吗？

So we should do something to protect our earth.

所以我们应该做些什么来保护我们的地球。

Yes, yes, I come from another earth.

是，是，我是从另一个地球来。

I rammed down the earth around the newly-planted tree.

我将新栽的树周围的泥土踩实。

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的轨道。

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

让我们假装我们在围绕地球轨道飞行的宇宙飞船上。

cover the roots of a plant with earth

用泥土把植物的根埋起来。

The worm eats earth.

虫子吃泥土。

made of packed earth or gravel.

由压实泥土或砂砾构成的。

He filled the hole with earth.

他用泥土填洞。

这些造句涵盖了"earth"作为名词（地球、地面、泥土）和动词（覆盖、填满）的不同用法。希望这些例子对你有所帮助!