(1)分类(级)(arrange (sth) systematically in classes or groups)[T+n]：～books according to subject把书按科目分类;～mail according to the places (where it is to go)把邮件按(寄往)地址分类;～eggs according to size把鸡蛋按大小分类;〖同〗class，grade，type;

(2)归类(put sb/sth in a particular class or group)[T+n，C+n+prep(as)]：～the novels as serious literature把那些小说归为严肃文学;～the plays as mere entertainment把那些戏剧归为单纯的娱乐品;～the books as worth saving把那些书归为值得保留之列;～the people as peasants 把那些人归为农民;～sb's attempt as a failure认为某人的努力失败了;Two of these plants are now～ied as rare.这些植物中现在有两种被列为稀有植物。

(3)(官方)列为机密(officially mark or declare(information，documents，etc)secret and available only to authorized persons)[T+n](尤AmE)：I'd～that as secret.我倒是要把那列为机密。

← class n;

→′classified adj 分类的;(美)保密的;͵classifi′cation n 分类;分类法;级别; 保密等级;′classifiable adj 可分类的