He believes that the frequency of masturbation affects his health.

Every matter is difficult at first.

What? I couldn't catch what you said.

She decided to speak publicly about her gender identity.

He was working throughout the entire night.

My younger sister is twenty-two years old.

He is good at handling heavy machinery.

The villi cover the surface of the small intestine and help absorb nutrients.

He is known as a French musketeer.

My room is twenty-four square meters.