The climate of the subtemperate zone is characterized by mild winters and hot summers.

This bird is a subspecies that only inhabits specific regions.

This organism is classified into the subphylum.

This organism is classified under the subclass of mammals.

Momoa is my best friend.

In the past, 'Aichi' was used as an abbreviation for 'Arameda-shi'.

Asia is the largest continent on Earth.

I plan to travel to Southeast Asia next year.

Ayu is my best friend.

Amiko is my best friend.