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.

We should save electricity for energy conservation.

This is my first question.

Kinetic energy is directly related to the speed of an object.

The use of renewable energy helps protect the global environment.

The one-eyed goblin was dancing in the forest.

His long talk is just like 'a hundred days of sermonizing without a fart.'