名词中文翻译1
中文翻译：Unknown
同义词：
['category', 'type', 'group', 'class']
例句：
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1.The scientists have identified three categories of bacteria.
科学家们已经确定了三种细菌。
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2. This is a new product category that has never been seen before.
这是一个全新的产品类别，以前从未见过。
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3.The company has expanded its product categories to include more options for customers.
该公司已扩大其产品类别，以提供更多给客户的选择。