He is proud to be a heterosexual person.

He is proud to be heterosexual.

He is a first-year student and is still not used to university life.

Please imagine the day when aliens come to Earth.

He is expressing himself by doing transvestism.

Anatase is a type of titanium oxide, characterized by the shape of its crystals.

He is an extremely skilled martial artist, and his technique is recognized by everyone.

He is my most reliable ally.

He starts talking about himself at every opportunity, causing trouble for the people around him.

He likes to take a walk in the park at dusk.