He is my best friend.

His goal was truly a miracle play.

My house is near the mountains.

To prevent infection, don't forget to wash your hands.

He is conducting research on a new energy source.

He is researching about a new energy source.

He became infected with a cold.

Please don't forget to hydrate to prevent heat stroke.

Anthropozoonosis, or animal-derived infectious diseases, have the potential to spread between humans and animals.

He is working as a medical practitioner.