He learned the movements of the solar system using an orrery.

A solar day is the time it takes for the Earth to orbit around the Sun.

He explained the gist of the story.

The durability of this washing machine is 10 years.

I strive for body care by doing moderate exercise and eating a balanced diet every day.

I couldn't understand the state of his behavior.

That great demon had the power to destroy the village.

The ocean covers most of the surface of the earth.

The accuracy of this experiment is very high.

The sunlight poured into the room, making it very bright.