大象象牙用处是做武器或用来取食，大象夜间不能视物，在夜间的时候容易受到狮子群开发者_开发技巧的攻击，在这种情况下，长牙就是它们的武器。象牙狭义地说是雄性的象的獠牙，广义地也可以指其它动物（比如猛犸象、[详细]
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