Ryoma is my best friend.

The consul is working to protect the interests of his country.

Ryoji is my best friend.

I am collecting the materials needed for this project.

This car uses electricity as fuel.

How much is the mass of this object?

He lifted the big box with both hands.

This text is set to justification.

I used an optical microscope for an experiment at school.

He had a throat problem, and it was found that his posterior cricoarytenoid muscle was not functioning properly.