He overcame difficulties with the help of Bi.

We are heading to the airfield.

Echinoderms are a type of marine life, many of which have star-shaped bodies.

Friedrich is my best friend.

He is the hero of our town.

He is troubled by hypochondria.

This pamphlet is printed on one side.

He spoke to me with an icy attitude.

This book enlightened my thinking.

He was a very excellent student before he turned to delinquency.