The military officer attached to the embassy plays a crucial role in gathering military information of that country.

Ceremonial family occasions are traditional family events in Japan.

He published his own collection of poems.

The battery has run out, so I have to go buy a new one.

Let's start the meeting according to Korea Standard Time.

His words carry importance.

This eigenfunction is one of the fundamental concepts of quantum mechanics.

Those guys are always late.

He is receiving treatment for obsessive-compulsive disorder.

Cell biology is the study of the structure and function of cells, which are the basic units of life.