The van der Waals force is an important concept in explaining intermolecular interactions.

He has a high ability to hold a conversation, so he can get along with anyone quickly.

His running ability is the best in the team.

His control greatly contributed to the team's victory.

The destructive power of that hurricane was stronger than anything we could imagine.

Her ability to draw is really amazing.

The prevention of venereal diseases is most important in safe sexual behavior.

The pineal gland is a very small gland that exists in the brain.

The bulbourethral gland is one of the important glands in the male reproductive system.

The Bartholin's gland is a part of the female reproductive system and primarily secretes lubricating fluid.