词典释义：
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You know why they tell you that? Because once you have it, you rise to the top of the food chain.
知道为什么这么说吗？因为你一旦拥有它，就会登上食物链的顶端。
《The Jungle Book》《奇幻森林》
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She is learning where she fits in the food chain and I'm not sure you want her to figure that out.
她在找寻自己处于食物链的哪一环节，我认为你们不会希望她弄明白的。
《Jurassic World》《侏罗纪世界》
双语例句
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The food chain is affected by the over-use of chemicals in agriculture.
食物链受到农业上过度使用化学品的影响