arctic

　　我从未见过北极熊。 　　I have never seen an arctic bear. 　　北极熊的栖息地是冰冷的北极海域。 　　The polar bear's habitat is the icy waters of the Arctic. 　　尽管警戒很严，北极熊还是逃出了动物园。 　　In spite of vigilance a polar bear escape from the zoo. 　　我从未见过北极熊。 　　I have never seen an arctic bear. 　　北极熊的足爪部有厚的毛发和锋利的爪。 　　Polar bear paws have thick fur and sharp claws. 　　北极熊是白的,而且体型庞大。 　　The polar bears are white and large. 　　顾名思义，北极熊的出产地为北极，是世界上体积最巨型的陆上食肉动物。 　　The polar bear is the biggest land predator of them all.