He played the piano with his thumb.

Mr. Hiruma is my best friend.

Well, let's get started!

The mesentery plays a role in supporting the intestines.

Interracial marriage promotes diversity and understanding.

Intermolecular forces are an important factor in determining the properties of a substance.

His work progress is slow.

He is doing special exercises to strengthen the interosseous muscles of his hand.

The road is blocked and I can't pass through.

Jitsu is my best friend.