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.

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

We exist as a part of the material world.

Her necklace was covered with a layer of pearl.

This product is popular among the age group of people in their 20s to 30s.

This recipe requires twice the usual amount of ingredients.

He is immersed in the study of callus.

The scenery of overlapping mountains was beautiful.