He is living a simple life.

My life has become busy recently.

I love nature.

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

We will use phosphoric acid in this chemical experiment.

In biochemistry, phosphorylation is an important process in energy metabolism.

This enzyme has the function to phosphorylate proteins.

Our region is rich in forest products, especially in the production of timber.

This park is very rich in nature.

He naturally demonstrated leadership.