He was wearing a red belt.

We should cherish our freedom.

In Magic: The Gathering, you can place cards in the command zone.

Her absolute territory caught my eye.

Ionization energy is the minimum energy required for an atom or molecule to lose an electron.

The potential energy of this ball is large because it is in a high position.

The potential energy of this ball is proportional to its height.

This park is an energy spot for the local people.

This park is known as a local energy spot.

We should increase the use of alternative energy to protect the earth.