are white
They are white.
Esos muchachos no son blancos.
Those boys are not white.
Algunos son rojos y otros son blancos.
Some are red and others are white.
Our bones are white.
¿Todos los cisnes son blancos?
Are all swans white?
Sus dientes son blancos como perlas.
Her teeth are as white as pearls.
Uno de sus tres autos es azul, y el resto son blancos.
One of his three cars is blue, and the rest are white.
The dogs are white.
My dogs are white.
Los osos polares son blancos porque son osos viejos.
Polar bears are white because they are old bears.