The meeting will start at 10 a.m.

Toki is my best friend.

Time flies, doesn't it?

He always performs at his best at the critical moment.

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

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.