在辽阔美丽的北极,终年雪盖冰封,这为此地常住居民北极熊创造了得天独厚的生存环境。然而,近几年来这里的北极熊首领拉恩不断收到部下传来的消息,说他们正在受到前所未有的威胁。这威胁来自于北极地区的冰盖正在以逐年递增的速度融化,也就是说其生存领地越来越小。拉恩知道,冰 In the vast and beautiful Arctic, the snow is frozen all the year round, creating a unique living environment for the resident polar bears here. However, in recent years, the polar bears leader Rahan here has continuously received news from men that they are under unprecedented threat. This threatens that the ice caps coming from the Arctic region are melting at an annual rate, which means that their living territory is getting smaller and smaller. Lahn knows, ice