caus.a.tiveadj.(形容词)Functioning as an agent or cause.成为原因的Abbr. caus.Expressing causation. Used of a verb or verbal affix.缩写 caus.表达原因的:表达原因。用作动词或动词词缀【引伸】caus.ativen.(名词)caus.ativelyadv.(副词)