agent

language: zh

definitions

  1. noun
    a person or thing that acts on behalf of another; a substance that causes a change
    zh: 代理人；引起变化的物质
  2. noun
    a chemical or biological substance that produces a specific effect
    zh: 化学或生物活性物质

examples

  1. The real estate agent showed the house.

    房地产经纪人带人看房。

  2. The virus acts as an immune agent.

    病毒充当免疫剂。