| 单词 | ecosystems |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔biodiversity〕The variability among living organisms on the earth, including the variability within and between species and within and between ecosystems.生物变异性：地球上活生物体的变化性，包括物种内、物种间以及生态系统内、生态系统间的变化性美国传统〔ecosystem〕Madagascar's ecosystems range from rainforest to semi-desert.马达加斯加生态系统类型多样，从雨林到半荒漠等不一而足。柯林斯高阶〔fundamental〕Diversity is of fundamental importance to all ecosystems and all economies.多样性对所有的生态系统和经济结构都极为重要。剑桥高阶〔permaculture〕A system of perennial agriculture emphasizing the use of renewable natural resources and the enrichment of local ecosystems.永久农业：一种常年的农业体系，它强调自然资源的再生使用和局部生态系统的完善美国传统Diversity is of fundamental importance to all ecosystems and all economies.多样性对所有的生态系统和所有的经济结构都是极其重要的。剑桥国际 |
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