A spy who operates from within an organization, especially a double agent operating against his or her own government from within its intelligence establishment.
A spy who operates from within an organization, especially a double agent operating against his or her own government from within its intelligence establishment.
间谍一个间谍，活动于一个组织内部，尤指一个双重间谍，从其情报建立的机构内部从事反对他的或她的政府的活动