He is an expert in chemical analysis.

The sea breeze feels comfortable.

Umi is my best friend.

He found the sea on an old map.

He found the sea on an old map.

I love swimming at the seashore.

I often go to the sea on weekends.

He couldn't say anything about issues outside of his field of expertise.

There are many different specialty stores in this town.

He is a specialist fool, with no interest in anything outside his field.