The Japanese river otter is an endangered species and is a target for nature conservation.

The Eurasian bullfinch is a bird I often see in my garden.

He passed the lie detector test.

In this old document, the archaic word '用ゐる' is used.

This application is very convenient.

You can apply this theory to actual problems.

This app has high practical use.

Yoshiyo is my best friend.

What is this tool used for?

This computer is for the exclusive use of the president.