Nuclear fission is a powerful process that generates energy.

The great auk is a species of bird that has become extinct.

My grandfather was a teacher at a national elementary school.

My friend goes to a Korean school.

My younger brother goes to a school for special needs.

I will enroll in a driving school next week.

My younger brother attends a class for special needs.

I have been to Amami.

He raised his hand and asked a question.

This temple is an ancient ruin.