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- In spite of vigilance a polar bear escape from the zoo. 尽管警戒很严，北极熊还是逃出了动物园。
- The polar region is the habitat of the polar bear. 北极地带为北极熊的栖息地。
- In spite of vigilance a polar bear escaped from the zoo. 尽管警戒很严，北极熊还是逃出了动物园。
- The polar bear's habitat is the icy waters of the Arctic. 北极熊的栖息地是冰冷的北极海域。
- A polar bear has a preference for cold weather. 北极熊喜欢寒冷的天气。
- Alaska still is a land of iceberg and polar bear. 阿拉斯加现在仍是冰山和北极熊的世界。
- What Keeps a Polar Bear Cool in Summer? 怎么样使北极熊在夏天里感觉凉爽?
- Why does the polar Bear have white fur? 为什么北极熊毛是白的?
- Tongxiang Polar Bear Fur Products Co., Ltd. 桐乡市北极熊裘皮制品有限公司。
- Guizhou Polar Bear Ecological Agriculture Co., Ltd. 贵州北极熊生态农业有限公司。
- Shanghai Polar Bear Stationery Tape Co., Ltd. 上海北极熊文具胶带股份有限公司。
- Lingling:Does the polar bear eat meat? 玲玲：北极熊吃肉吗?
- Why is the polar bear in danger? 北极熊为什么濒临灭绝的危险?
- Have you heard of Polar Bear Clubs? 你听说过北极熊俱乐部吗?
- The polar bear is a terrible enemy of the Eskimos. 北极熊是爱斯基摩人可怕的敌人。
- What do you call a gigantic polar bear? 你把巨大的北极熊叫什么?
- Although they can swim, the polar bears are terrestrial animals. 北极熊虽然会游泳，但也是陆栖动物。
- We may even catch sight of a polar bear on the ice. 我们甚至可能突然看到一只北极熊在冰面上。
- The Arctic remains the domain of the polar bear. 北极仍是北极熊的领地。
- A day , penguin and polar bear play together. 一天，企鹅和北极熊一起玩。
