This region is covered with fertile chernozem.

When an object is in free fall, its terminal velocity is determined by the balance between gravity and air resistance.

He became a prisoner of conscience because of his political beliefs.

The Tiananmen Square incident is an important event in Chinese history.

The Marco Polo Bridge Incident was the trigger for the Sino-Japanese War.

He got involved in a love affair.

This is the most difficult case I have ever faced.

She is always spilling gossip from the corner of her mouth.

Let's bend this tip of the stroke a little to add movement to the design.

This tradition originates from ancient Greece.