在网上看到这样一则趣事:在北极冰川上,北极熊几乎没有天敌。然而它嗜血成性,很容易被当地的爱斯基摩人捕获。猎人把动物的血冻结成块,中间藏进一把双刃匕首,然后扔在雪原上。当北极熊远远闻到血块的气味时,就会迅速赶来贪婪地舔舐。舔着舔着,北极熊的舌头渐渐变得麻 On the Internet to see such an interesting thing: in the Arctic glaciers, polar bears almost no natural enemies. However, it is bloodthirsty and easily captured by the local Eskimos. The hunter frozen the animal’s blood into pieces, hid a double-edged dagger in the middle and threw it on the snowfield. When the polar bears smell the smell of blood clots, they quickly rushed greedily licking. Licking and licking, the polar bear’s tongue gradually becomes hemp