He prefers natural foods.

Her smile is very natural, and it feels comfortable.

In philosophy, natural law refers to the moral laws of the universe.

Calculating the natural logarithm is an important part of mathematics.

Natural language processing is the technology that allows computers to understand and generate human language.

I was moved by the beauty of nature.

He got car sick from the long drive.

After the snow plow passed, the road was completely clean.

He is making a model of a tank.

He was carrying soil in the garden using a wheelbarrow.