He read scores of books.

He thought for a few seconds before giving an answer.

A composite number, unlike a prime number, is represented by the product of two or more natural numbers.

He used his alphanumeric skills to create a computer program.

Saburo is my best friend.

Suro is my best friend.

Kazumasa is my best friend.

The doctor measured my pulse rate.

My heart rate increases after exercise.

Let's compare the positions of point A and point B on the number line.