Mr. Hito-naga is my best friend.

The shell length of this shellfish is 5 centimeters.

You need to be careful with the pronunciation of long vowels in Japanese.

He is serving in the military as a sergeant.

In this chemical reaction, a specific isotope is produced.

She wrote her name in cursive script.

This sentence is written in bold typeface.

This pathogen is very dangerous to humans.

There is a possibility that unknown lifeforms exist on this planet.

He is deeply researching the theory of real number fields.