On cold days, I like to read a book in front of the fireplace to warm myself up.

We made a small fire at the camp to keep warm.

We made a small fire at the camp to keep warm.

He burned firewood to keep warm.

We are planning to camp in the mountains next week.

We camped in the mountains over the weekend.

Nuan is my best friend.

Nuan is my best friend.

I could feel warmth in his words.

This room is very warm.