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.

One part is important.

Mieko is my best friend.

She always says 'the lady doth protest too much,' seeming to deny his actions, but in reality, she loves him very much.

I use plain flour to make bread.