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

Through this chemical reaction, monomers polymerize to form polymers.

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

Doublet is an important concept in linguistics.

He believes it's important to shape his own future by himself.

He is reading the daily scripture.

I will hold my birthday party on the twelfth.

My birthday is on the twenty-eighth.

Our project is scheduled to be completed on the twentieth day of the month.

My grandfather is seventy years old.