He is researching about a new energy source.

Beautiful cirrus clouds were floating in the sky.

My Shiba Inu is very smart.

The rescue dog was helpful in searching for missing persons after the earthquake.

The prosecutor thoroughly investigated the evidence.

This book is out of copyright, so you can copy it freely.

His only fault is that he is a bit too stubborn.

He is known as a pacifist in the world of politics.

I will go to the dealer tomorrow to have my car inspected.

I can't estimate that project.