Chameleons estivate during the hot summer.

Chameleons overcome the hot season by aestivating.

A chameleon can change its body color to match its surroundings.

Summer is my favorite season.

It's very hot today, isn't it?

It's very hot today, isn't it?

During summer vacation, I will go to the beach.

While he was taking a nap, I finished my homework.

He took a little pause before speaking.

Xia was the first dynasty of China.