In chemistry class, I learned about the process of polymerization.

Through this chemical reaction, monomers polymerize to form polymers.

I think this information is a miscommunication.

The company he built was left behind after his death.

His words were full of irony.

He chants a mantra every day and meditates.

The critical comment from the teacher was harsh, but it prompted my growth.

The Pentagon is the headquarters of the U.S. Department of Defense.

A goblin came out of the forest.

This sentence may be a mistranslation, so please check it again.