Pentathlon is a competition that tests both physical strength and technique.

He participated in the Olympics as a pentathlon athlete.

She went to the dermatologist to remove the milium.

This is my favorite hiryūshu.

There are many introduced species of plants living in this park.

The northern elephant seal is a large marine mammal that mainly lives in the northern hemisphere.

I live in Kita-Hiroshima.

The Arctic Ocean is the coldest sea on Earth.

My dream is to go to the Northern Mariana Islands.

The Tropic of Cancer is located at 23.5 degrees north latitude on Earth.