A ping-pong infection occurred at school, causing many students to take time off.

Oral infection is when pathogens enter the body through food or drink.

It is important to identify the source of infection.

I like writing letters on this beautiful letter paper.

He is a person who keeps promises.

This animal is a protected species, so you must never touch it.

Chameleons can change their camouflage color to match their surroundings.

He committed another crime while on probation.

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

He played beautiful music using a pellet drum.