Looking at the bird flying high in the sky, I felt freedom.

He has a proud patriotism for his country.

Because he is haughty, it's difficult for him to get along with people.

He is proud of his son's success.

He was looking proud when he heard that his son had been accepted to college.

There are only inanimate objects in this room.

The use of bioweapons is prohibited by international law.

The study of nekton is an important part of marine biology.

I love biology.

Protecting the biosphere is important for the future of the Earth.