He is a very talented ventriloquist.

The compound eyes of insects are made up of many small lenses.

His secondary role greatly contributed to the success of the team.

He is suffering from peritonitis.

He covered the table with a cloth.

He covered the box with a cloth.

He finds it difficult to understand complex sentences.

This amplifier improves the sound quality.

He set out on a journey with a bag on his back.

He said his abdomen hurts.