His condition is seriously ill, and he needs surgery immediately.

A new polymer was produced by this chemical reaction.

The heavy electric industry has a significant impact on the Japanese economy.

Shigenobu is my best friend.

She has single eyelids.

His double personality confuses me.

He bears a double responsibility.

Japan's heavy industry is famous worldwide.

He holds dual citizenship in America and Japan.

My stepfather is a very kind person.