This ancient document contains the word 'father sound', which is no longer used in modern Japanese.

His leg is swollen.

His research is drawing society's attention to environmental issues.

I bought a new bag.

He emphasized obedience to the rules.

He learned to be obedient to his parents.

She is wearing a sailor uniform at school.

This teaching material was created for the purpose of review.

Fukuzo is my best friend.

He is suffering from a lung disease.