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

His body is very healthy.

This is a kind of flower.

I am very interested in marine biology.

We learned about the protection of the main sea.

The stars are shining in the night sky.

He was holding my hand tightly.

He was running while holding a bag.

He always carries an umbrella around.

There are many children in this park.