人类颅骨通常由29块骨头组成。除了下颌骨，其他骨头之间由骨缝连接，只允许微量的运动。
Human skull is usually composed by 29 bones. Besides jaw, other bone between seam by bone connected, the only allowed the traces of the movement.
和人类颅骨的不同，不仅表现在其延长了的颅骨上，还有其前额中央的裂缝也是人类颅骨所没有的。
The dissimilarities to human skulls are not only the elongated skull, but the crack down the center of the forehead, which is nonexistent in human skulls.
黑暗的房间里，九个黑乎乎的人类颅骨竖立成架，连成一圈。每个颅骨都由强光从下打光上来，其一侧是一面可以移动的镜子，另一侧是一张玻璃圆盘。
In a dark room nine black human skulls on stands, each lit from below by bright lights, are aligned with a round, mobile mirror on one side and a glass disc on the other.
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