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food chain

noun
🔊/ˈfuːd tʃeɪn/
🔊/ˈfuːd tʃeɪn/
(usually the food chain)
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  1. a series of living creatures in which each type of creature feeds on the one below it in the series食物链
    • Insects are fairly low down (on) the food chain.在食物链中，昆虫是级别相当低的生物。
    • Pesticides work their way up the food chain from plants, through insects and birds to humans.农药从植物到昆虫，鸟类再到人类，一直沿着食物链向上发展。
    • efforts to ensure that dioxins do not enter the food chain为确保二恶英不进入食物链的努力
    Topics Farmingb2
  2. (informal) a system or structure in which the people or organizations that are part of it are seen as having different levels of importance, success, etc.
    • These guys are at the top of the food chain when it comes to earnings.这些人在收入方面处于食物链的顶端。
  3. the series of stages that food passes along as it goes from being grown or produced to being sold and then eaten
    • They are focused on ensuring that contaminated crops do not enter the food chain.他们致力于确保受污染的农作物不进入食物链。