| 单词 | food pyramid |
| 释义 | food pyramid food pyramid n.Ecology （名词）【生态学】 A graphic representation of the structure of a food chain, depicted as a pyramid having a broad base formed by producers and tapering to a point formed by end consumers. Between successive levels, total biomass decreases as energy is lost from the system.食物金字塔：食物链结构的图表，描述了具有由生产者形成的宽阔塔底和由最终消费者组成的渐细的尖顶的金字塔。在相邻的各级之间，总的生物量随着能量从系统中耗掉而减少 |
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