Through this chemical reaction, monomers polymerize to form polymers.

My room is twenty-five square meters.

During the war, he continued to support his family on the home front.

He is fifty years old and still full of energy.

Doublet is an important concept in linguistics.

My birthday is on the fifteenth.

I feel like I remember seeing that person somewhere.

He is a perfectionist, demanding that all work be done perfectly.

His elegant demeanor is well-liked by those around him.

His actions demonstrate his deep compassion.