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 is always hanging out with bad friends. Truly, birds of a feather flock together.

My homeland is Japan.

She has a small birthmark on her face.

My grandmother, who I refer to as 'queen mother', passed away when I was a child.