classify

• 动词，指按照共同特征将事物归入不同类别或组别，即对事物进行归类、分级或排序。

A verb used to indicate the act of arranging or categorizing something into groups or classes based on shared characteristics.

1. Arrange in categoriesB1formal

   To arrange or organize things into groups based on shared characteristics.

   分类

   • Librarians classify books by genre and author.
   • Scientists classify animals into different species.
   • The data was classified according to age and income.

   同义词categorizefilegradegrouporderorganizepigeonholeranksort

   反义词disorder

2. Mark as secretB2formal

   To officially designate information as secret or restricted.

   列为机密

   • The government classified the documents for national security.
   • Military operations are often classified to protect sensitive details.
   • The report was classified as top secret.

   反义词declassifydisclosereveal