名词中文翻译
中文翻译：海豹
同义词：
['polar bear', 'seal']
例句：
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1. Polar bears are known for their unique black and white fur.
北极熊以其独特的黑白毛皮而闻名。
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2. Seals are often seen swimming in the ocean during the summer months.
在夏季，海豹经常在海洋中游泳。
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3. The polar bear population is declining due to climate change.
由于气候变化，北极熊的数量正在下降。