He was also known as the poet of the mountains.

He gives his name as John.

Please change this filename.

Mr. Hachina is my friend.

Mr. Nawa is my friend.

This product is known by our brand name.

This input device is very easy to use.

She was diagnosed with placenta previa.

The issue of the previa vessel is a very important issue in obstetrics.

In Japanese grammar, postpositions play an important role.