He reported on the results of the subcritical nuclear experiment.

Scientists are developing a new type of fusion reactor.

She is maintaining an average grade.

That man is my father.

That woman is my mother.

He pointed to the location on the map with his index finger.

He urged us to hurry, saying 'time and tide wait for no man.'

When he had a problem due to his own actions, he remembered the phrase 'chickens come home to roost'.

He has never seen a dromedary.

He wandered into an island of a cannibalistic tribe.