大脑表面为灰红色，上面的微细血管交错成格状。
The surface of the brain is pinky-grey and latticed with tiny blood vessels.
悉尼——亚洲和非洲的夜猫子们今天凌晨有幸看到月食的壮观景象，来自智利火山的火山灰将月球表面变成了血红色。
SYDNEY - Asian and African night owls were treated to a lunar eclipse, and ash in the atmosphere from a Chilean volcano turned it blood red for some viewers.
这颗太阳系中最大的卫星，表面冰盖布满断层的切口和火山灰的粉末。
Ganymede, the largest moon in the solar system, has a dirty ice surface cut by fractures and peppered by impact craters.
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