Even as he gets older, his virility does not diminish.

The topography of this area was mainly formed by the geomorphic agent of wind.

He is practicing hard to avenge the embarrassment of last year's defeat.

He practiced hard to make up for his previous failure.

The press corps covered the president's press conference.

Dango is my best friend.

The study of galaxy clusters is essential for understanding the universe.

He belonged to a medieval order of chivalry.

My younger sister belongs to the school choir.

The cheer group at my school is very lively.