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.

We went on a trip on a big ship.

I have been to Hohhot.

He was playing by swinging the tree branch.

He sealed the letter and posted it in the mailbox.

The school will be closed tomorrow because a typhoon is approaching.