名词
中文翻译：类别
同义词：
['kinds', 'groups', 'types', 'classes', 'groups of things']
例句：
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1. Shehas a lot of categories in her mind.
她心里有很多类别。
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2. The book is divided into several categories.
这本书分为几个类别。
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3. We need to categorize the data according to its type.
我们需要根据数据的类型对其进行分类。