要是没有太阳的辐射热，地球将会是一个冰冻的球体。

The earth would be a frozen ball if it were not for the radiant heat of the sun.

《柯林斯英汉双解大词典》

如果地球上没有水怎么办？

What if there was no water on Earth?

youdao

没有了爱，我们的地球就是一个坟墓。

Take away love and our earth is a tomb.

youdao

This is what you have, there is no mention of the Earth in these equations.

你就只知道这个,方程中丝毫没有提到地球

耶鲁公开课 - 基础物理课程节选