He was hit by a pitch and advanced to first base.

The carbonyl group plays an important role in organic chemistry.

The carboxyl group plays a very important role in organic chemistry.

He got an absolute beating in the match.

He was beaten to a pulp in the match.

Please make the payment after checking the invoice.

He is writing a thesis on the octovocalic theory.

I learned about the Klein bottle in math class.

He used a voice changer to change his voice.

Please empty the trash can.