He was reading a book in his room all day.

He searched for a flashlight in the darkness.

Ryuichiro is my best friend.

The strong sense of impatience I feel waiting for his return is painful.

You can manage data using a one-dimensional array.

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.

The Uniform Resource Locator indicates the address of a web page.

We will make this project successful by working together with one mind.

He was the first discoverer of that new species of plant.

My mother prepares a traditional Japanese meal every day.