This is a kind of flower.

Phenol is a type of chemical substance, and it has a distinctive strong smell.

This flower is peculiar to this region.

That animal has a peculiar pattern.

Chemotransmitters play an important role in the transmission of information between nerve cells.

He is majoring in chemistry at university.

What is this material made of?

This tree is very hard.

He chose that method against his will.

He is a person with a strong heart.