Is Erxi a boy or a girl?

not boys and girls.

ancient Greece and Egypt are not "two Greek". The so-called "Erxi", that is, the tradition of Erxi in the history of literature and the two sources of European literature, refers to the ancient Greek-Roman literature and Hebrew-Christian literature of western civilization.

Greek-Greek civilization, also known as Greek-Roman civilization (culture) and Hebrew-Christian civilization (culture), is called the source of European civilization.