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著者:
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Marsh, Laura. |
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题名:
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Polar bears / , |
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出版发行:
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出版地： Washington 出版社： National Geographic 出版日期： 2013 |
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载体形态:
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32 pages 23cm. |
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附注:
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With their beautiful white fur and powerful presence, polar bears rule the Arctic. These majestic giants swim from iceberg to iceberg in chilling waters, care for their adorable cubs, and are聽threatened by global warming.聽聽 |
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主题词:
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Polar bears |
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主题词:
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Global warming |
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主题词:
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Juvenile literature. |