1.an active and efficient cause; capable of producing a certain effect;
their research uncovered new disease agents
2.a substance that exerts some force or effect
3.a representative who acts on behalf of other persons or organizations
4.a businessman who buys or sells for another in exchange for a commission
5.any agent or representative of a federal agency or bureau
6.the semantic role of the animate entity that instigates or causes the hapening denoted by the verb in the clause
一、英文单词 agent 发音:英[ˈeidʒənt] 美[ˈedʒənt] 复数:agents 释义: 名词n. 1.代理人, 代理商;经纪人;药剂;特工 2.作用者, 原动力, 动因; 作用剂 3.(化学)剂 4.发生作用锛埢虿持纸峁級的人锛埢蛭镲級;媒介物;动作者,作用者 5.锛埰鹱饔没蛴跋斓娘級动因,能因,原动力,作用力,使然力锛堉敢鹨欢ㄗ饔玫娜嘶蚱渌蛩仫級 6.手段;媒介,中介 7.【