Chrysophyta are living in this pond.

He looked out the window.

My bicycle has two wheels.

She is as beautiful and graceful as a female Chinese unicorn.

His scales were of a very beautiful color.

I want to go to London, which is an old name.

I learned about the properties of phosphorous acid in chemistry class.

A tropical rainforest is one of the most biodiverse ecosystems on Earth.

She beat the tambourine to keep the rhythm.

Gonorrhea is one of the sexually transmitted diseases, and appropriate treatment is necessary.