classify

Biologists classify the newly discovered species based on its unique DNA structure.

(Chinese) 生物学家根据这种新发现物种独特的DNA结构对其进行分类。

The library uses the Dewey Decimal System to classify thousands of books for easy retrieval.

(Chinese) 图书馆使用杜威十进制分类法对成千上万本书进行分类，以便于检索。

The Pentagon decided to classify the satellite images to prevent foreign intelligence from seeing them.

(Chinese) 五角大楼决定将这些卫星图像列为机密，以防止外国情报机构看到它们。

Any documents related to the nuclear reactor's safety protocols were classified as top secret.

(Chinese) 任何与核反应堆安全协议相关的文件都被列为最高机密。