He decided to become a member of the Communist Party.

He deeply studied the three branches of sutras in Buddhism.

This drink has a strong carbonic acid.

Nitric acid is a chemical substance with strong acidity.

He is good at writing prose.

The acidity of this lemon is very strong.

My new tripod is very stable.

This sea area is known for its beautiful corals.

This oxide is a compound made up of oxygen and other elements.

He studied deeply about communism.