There is an evil aura around him.

There are many stomata on the leaves of this plant.

He missed school because of sickness.

This air mass is very cold and brings a lot of snow.

Mr. Taki is my best friend.

I think she has a charm.

She really has elegance when she wears that dress.

His mettle shows that he never gets discouraged even in difficult situations.

The use of renewable energy helps protect the global environment.

Strong interaction is one of the four fundamental forces in particle physics.