Because of his color blindness, he has difficulty distinguishing between red and green.

This museum exhibits wonderful artworks collected from all over the world.

Visual arts are a powerful means of expressing human emotions and thoughts.

A song praising his courage was playing.

He assisted my project.

He turned thirty years old.

This picture is fixed to the frame.

This plant needs oxygen to perform photosynthesis.

In this story, Zuan is the protagonist, and his adventure continues.

The sourness of this lemon is very strong.