The Riemann sum is a method for approximately calculating the integral of a function.

Special judicial police officers are working hard every day to protect the law in Japan.

We conducted fieldwork for geography.

When that scandal became public, his reputation was greatly damaged.

Please let me hear your opinion, sir.

His novel contains many beautiful passages of literature.

He is afflicted with a serious illness.

My school building is very big.

She passed the pre-2nd grade.

Every morning, I boil ripe tomatoes to make soup.