It is rumored that he is a member of a secret society.

The continental slope is a part of the seafloor topography, connecting the continental shelf and the deep sea floor.

He is a world-renowned ichthyologist.

The SI system is a standard unit system used worldwide.

The Great Eastern Japan Earthquake is one of the most damaging earthquakes in Japanese history.

He was diagnosed with prostate cancer.

He was tried for the crime of desertion in the face of the enemy.

Let's participate in the election by using early voting.

The lens of this camera is easy to attach and remove.

Because he has immunodeficiency, he always pays attention to his health management.