He missed school because he had a fever.

He is heating up the coffee.

His passion for music is incredible.

The heat is intense today, it's hard to go outside.

Lassa fever is a serious infectious disease that is particularly prevalent in West Africa.

His enthusiastic cry livened up the entire venue.

He is studying thermodynamics in depth.

Zika fever is an infectious disease transmitted by mosquitoes.

His dream is to fly in the sky in a hot-air balloon.

This machine is equipped with a high-efficiency heat removal system.