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  1. food chain

    • IPA[ˈfo͞od ˌCHān]

    美式

    • n.
      a hierarchical series of organisms each dependent on the next as a source of food.;a hierarchical system or structure within a particular sphere or group
    • noun: food chain, plural noun: food chains

    • 釋義
    • n.
      名詞
    • 1. a hierarchical series of organisms each dependent on the next as a source of food.
    • 2. a hierarchical system or structure within a particular sphere or group:

      a small paper toward the bottom of the journalistic food chain

    • 3. the series of processes by which food is grown or produced, sold, and eventually consumed:

      they have taken all reasonable steps to ensure that no contaminated products enter the food chain

  2. 知識+