Jun is my best friend.

This room is always kept clean.

Organic solvents play an important role in chemical reactions.

My brother has been taking immunosuppressants after his transplant surgery.

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

He has a bright and wonderful character.

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.