This substance carries a negative charge.

He was wearing a sword with pride.

What is this material made of?

The air in this area is greatly affected by pollutants emitted from factories.

We exist as a part of the material world.

The existence of dark matter has not yet been fully proven.

Antibiotics don't work for colds, so please don't take them unnecessarily.

It is said that antimatter has properties opposite to those of matter.

This food may contain carcinogens.

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