He has a doctorate.

Chlorine detonating gas is very dangerous, and it requires careful handling.

She was fascinated by the beauty of bondage.

Hiroshima and Nagasaki are the only cities that have suffered from atomic bomb damage.

He disclosed his secret.

We must not forget the horror of nuclear and hydrogen bombs.

He was involved in the development of the hydrogen bomb.

New World monkeys live in South America.

I am interested in the history of the Shinsengumi.

The New Okinawa script is a kana-based orthography for Okinawan.