The police believe that all these incidents were committed by the same criminal.

The iteration mark 々 is used in this kanji.

He and his brother look so alike, they seem like the very same person.

He tends to regard all people as the same.

They are treating all students as one.

Kunminjōon is a book for teaching the correct pronunciation of Hangul.

My friend lives in Ohio.

The olive ridley sea turtle is one of the smallest sea turtles in the world.

The flatback sea turtle is a species endemic to Australia and is on the brink of extinction.

He was promoted to the rank of lieutenant junior grade last year.