He underwent surgery on his soft palate.

It's difficult to solve this monomial expression.

He felt a severe pain in his occipital region.

He sat on the elevated seat and began to preach to everyone.

This vast area of land has been owned by our family for generations.

Tokkou is the name of my school.

How do I adjust the light level in this room?

He adjusted the light levels of the lamp to change the atmosphere of the room.

My father works in heavy industry.

He is studying the royal genealogy records to deepen his understanding of Japanese history.