名词
中文翻译：海狸
同义词：
['beaver', 'otter例句：1. The beavers are building a dam on the river.（海狸们在河上筑坝。）']
例句：
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1. The beavers are building a dam on the river.
海狸们在河上筑坝。
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2.Otters are known for their playful and curious nature.
海獭因其活泼好奇的天性而闻名。
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3.The beavers have been using this technique for centuries.
海狸们已经使用这种方法几百年了。