Génesis 7

two by two they have come in unto Noah, unto the ark, a male and a female, as God hath commanded Noah.

De dos en dos entraron á Noé en el arca: macho y hembra, como mandó Dios á Noé.

There went in two and two unto Noah into the ark, the male and the female, as God had commanded Noah.

went by pairs to Noah into the ship, male and female, as God commanded Noah.