名词
中文翻译：海豹
同义词：
['sea lion', 'seal']
例句：
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1.The pinnipeds are a species of marine mammals that live in the ocean.
海豹是一种生活在海洋中的哺乳动物。
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2. Pinnipeds are known for their unique fur and playful behavior.
海豹以其独特的毛皮和活泼的行为而闻名。
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3. In the wild, pinnipeds often hunt for food by swimming underwater.
在野外，海豹通常通过游泳来寻找食物。