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、英文單詞 agent 發音:英[ˈeidʒənt] 美[ˈedʒənt] 復數:agents 釋義: 名詞n. 1.代理人, 代理商;經紀人;藥劑;特工 2.作用者, 原動力, 動因; 作用劑 3.(化學)劑 4.發生作用錛埢蠆持紙峁級的人錛埢蛭镲級;媒介物;動作者,作用者 5.錛埰鹱饔沒蠐跋斕娘級動因,能因,原動力,作用力,使然力錛堉敢鷚歡ㄗ饔玫娜嘶蚱淥蛩仫級 6.手段;媒介,中介 7.【