Propyne plays an important role in organic chemistry.

Proline is one of the components of proteins.

I take a propolis supplement every day.

Provitamin is a substance that turns into a vitamin in the body.

He proposed to her using a prop.

He likes to take a walk in the park at dusk.

We should always remember the power of Kannon in difficult times.

This ancient proverb, 'know the other side and yourself, and you will not be in danger in a hundred battles', teaches us the importance of understanding ourselves and others.