He is a world-renowned seismologist.

He is painting a picture using a brush.

He is a renowned political scientist who has written many important papers.

On days when the solar radiation is strong, don't forget to apply sunscreen.

Please clean up your room right now.

Toshin came up with a sagacious way to solve the problem.

He is outstanding in his field.

That female bear was fighting to protect her children.

Shunji is my best friend.

The best time to see cherry blossoms is the beginning of spring.