The treble clef is often used in musical scores.

He is good at reading the treble clef.

The concept of chemical equivalent is essential for understanding chemical reactions.

My company specializes in the manufacture of fine chemicals.

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

Stoichiometry is a method for calculating the amount of substances in a chemical reaction.

No chemical flavoring is used in this ramen at all.

His long talk is just like 'a hundred days of sermonizing without a fart.'

I started a campfire using the ember.

This music is flowing with a pleasant ⠐⠫ along with a beautiful melody.