food chains

柯林斯词典

food chain (food chains)

• 1. N-COUNT The food chain is a series of living things which are linked to each other because each thing feeds on the one next to it in the series. 食物链[usu sing]

  The whole food chain is affected by the overuse of chemicals in agriculture. 整个食物链因农业中过度使用化学制品而受到影响。

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