A nuclear submarine can travel underwater for a long time.

He used the escape technique to flee from the enemy.

The International Atomic Energy Agency is an international organization that promotes the peaceful use of nuclear energy.

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.

The cat's tail is long and very beautiful.

The bellflower is my favorite flower.