因其赌具是由象牙或兽骨(Animal bones)制成的，聪明的人看的懂，精明的人看的准，高明的人看的远，没有做不到，只有想不到。以是又叫牙牌(Yapai)或骨牌。
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Rare Animal Bones 珍稀动物骨头
Antarctic animal bones 南极动物骨骼
tortoiseshells and animal bones 龟甲兽骨
inscriptions on animal bones or 甲骨文
Fertilizer Made From Animal Bones 骨肥
An Animal with no bones 没有骨头的动物
Distinguished bones between humanand animal 第二章
animal feeding-stuffs from bones 来自骨头的动物饲料
It is possible that tubes made from animal bones were used for spraying because hollow bones, some stained with pigment, have been found nearby.
有可能是用动物骨头制成的管子来喷洒，因为在附近发现了空心骨头，有些骨头上沾有颜料。
A site containing a deposit, estimated to be nearly 500,000 years old, consisting of charcoal, burned animal bones, and charred rocks, has recently been found.
最近发现了一个据估计有近500,000年历史的沉积物，该沉积物由木炭、燃烧的动物骨头和烧焦的岩石组成。
These were animal bones marked with pictures and symbols.
这些是刻有图案和符号的动物骨头。
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