He and I are good friends.

He rested his elbow on the table.

Akira is a boy's name.

Akitomo was so cold that he didn't want to get out of bed.

He added some notes to the report.

I'm going shopping because I'm out of soy sauce.

He is an expert in molecular biology.

Biotechnology is a science that understands the mechanisms of life and utilizes them.

My brother is a famous biologist.

He started gambling in pursuit of easy money.