food chain

noun

/ˈfuːd tʃeɪn/

(usually the food chain)

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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.杀虫剂在食物链中从植物、昆虫和鸟类到人类一路攀升。
- 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
(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.食物链：一个系统或结构，其中的人员或组织被视为具有不同程度的重要性，成功等。
- 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。
the series of stages that food passes along as it goes from being grown or produced to being sold and then eaten 食物链：食物从种植或生产到出售再食用的整个过程
- 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作物不会进入食物链。