noun 下载 🔗分享 类别，分类。 A group, often named or numbered, to which items are assigned based on similarity or defined criteria. Examples : "The library organizes books into different categories, such as fiction, non-fiction, and children's books. " 图书馆将书籍按照不同的类别进行整理，例如小说、非小说和儿童读物。 group type system organization item 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 范畴，类别。 A collection of objects, together with a transitively closed collection of composable arrows between them, such that every object has an identity arrow, and such that arrow composition is associative. Examples : "To organize the library books effectively, we need to sort them into appropriate categories like fiction, non-fiction, and children's books. " 为了有效地整理图书馆的书籍，我们需要将它们按照合适的类别进行分类，例如小说、非小说和儿童书籍。 math logic theory 与AI对话词汇游戏阅读练习
