He learned about the concept of synergism in theology class.

There are several words used as 働詞 in this ancient document.

His actions are always extreme.

This piece of music is my favorite.

His behavior was extremely unreasonable.

The Divina Commedia by Dante Alighieri is considered the greatest masterpiece of medieval European literature.

The cathode of this battery is made of copper.

He was feeling extreme fatigue.

His patience had reached its limit.

He has a dream to explore the South Pole.