My friend is suffering from herpes simplex.

Fluoromethane plays an important role in chemical reactions.

Difluoromethane is widely used as a refrigerant.

Chloromethane is often used in organic chemistry experiments.

Cyclopentane is a compound often used in organic chemistry.

Cyclooctane plays an important role in organic chemistry.

He used a metal detector to search for treasure on the beach.

My father works at a famous think tank.

This gem has a beautiful cinnabar color.

We joined the school's cheerleading squad.