We all live on Earth, the third planet in the solar system.

We must take care of the earth, as it is our only home.

The fox burrows into its den when it feels threatened.

She is a very down-to-earth person.

He preferred to sail close to the shore to avoid the rough waves in the open sea.

She is a very down-to-earth person.

He prefers a down-to-earth approach in his projects.

She is a down-to-earth person who prefers simplicity.

She is a down-to-earth person who prefers simplicity in life.

Scientists have discovered a super-Earth in a distant galaxy.