可数. 例句：A category created for purposes of competition,as in boxing. 分类项目为比赛目的而分的级,如在拳击比赛中 复数：categories 例句：In certain languages,the inflection of nouns,pronouns,and adjectives in categories such as case,number,and gender. 词形变化某些语言中,名词,代词和形容词在格,数和性等方面的词形变化
