a person who acts on behalf of another, in particular 代理人,尤指 ■a person who manages business, financial, or contractual matters for an actor, performer, or writer 经纪人 ■a person or company that provides a particular service, typically one that involves organizing transactions between two other parties 中介,代理商 a travel agent. 旅行社。 shipping agents. 各运货代理商。 a letting agent. 出租中介。 ■a person who obtains information for a government or other official body, typically in secret 间谍 a trained intelligence agent. 受过训练的情报人员。 KGB agents. 克格勃间谍。 an FBI agent. 美国联邦调查局谍报人员。
a person or thing that takes an active role or produces a specified effect 起积极作用(或产生特定效果)的人(或物),作用因素 agents of environmental change. 环境变化因素。 bleaching agents. 漂白因子。 ■(Grammar)the doer of an action, typically expressed as the subject of an active verb or in a by phrase with a passive verb (语法)施动者 ■(Computing)an independently operating Internet program, typically one set up to locate information on a specified subject and deliver it on a regular basis (计算机)代理人程序
派生 agentive adjective
(Grammar)(语法)
语源
late Middle English (in the sense 'someone or something that produces an effect'): from Latin agent- 'doing', from agere