food chain
柯林斯词典
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. 食物鏈[usu sing]
The whole food chain is affected by the overuse of chemicals in agriculture. 整個食物鏈因辳業中過度使用化學制品而受到影響。
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