His running speed is astonishing.

His running speed is astonishing.

The exam period is very busy.

The new season of my favorite television show has started.

Growth hormone plays an important role in promoting the growth of the human body.

He always lives without forgetting his child's naive mind.

I like watching children play in the park.

This invention brought about an epoch-making advancement in science and technology.

He caught the ball with a swift movement.

Surprised by the sudden heavy rain, I forgot my umbrella.