Where is the cathode of this battery?

He played a beautiful serenade for me.

During the polar night period, it's a very strange experience that the sun doesn't rise.

The Far East is a geographical term referring to a part of Asia.

While having a picnic in the park, we were suddenly caught in a rain shower.

He makes it a point to write in his diary every day.

He records daily events in his diary.

He recorded his life in a chronicle.

He wrote a chronicle of the war.

Ki-san is my best friend.