With ground beef, it can have a bright red colour on the surface, but the interior of the meat may be grayish-brown due to the lack of oxygen penetrating below the surface.
对于切碎后的牛肉，表面的颜色为明亮的红色，里面的可能为灰棕色，因为氧气无法到达碎肉里部。
2
Its fur is grayishbrown in the summer.
它的毛皮是灰棕色的夏天。
3
A carnivorous North American mammal (Procyon motor) having grayish - brown fur, black mask like facial aringed bushy tail.