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世界上的鲨鱼种类许许多多,鲨鱼的踪迹也遍布四大洋。但是,只有格陵兰鲨才吃得消以北冰洋为家,它们是——
There are many shark species in the world and sharks are also found in four oceans. However, only the Greenland sharks eat their home away from the Arctic, and they are -