英语释义
1
n an active and efficient cause; capable of producing a certain effect
2
n a representative who acts on behalf of other persons or organizations
3
n a substance that exerts some force or effect
4
n a businessman who buys or sells for another in exchange for a commission
5
n any agent or representative of a federal agency or bureau
6
n the semantic role of the animate entity that instigates or causes the happening denoted by the verb in the clause