any of numerous minute wingless primitive insects possessing a special abdominal appendage that allows the characteristic nearly perpetual springing pattern; found in soil rich in organic debris or on the surface of snow or water 同义词：springtail,
例句与用法
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Soil collembolan is deemed as an epitome of soil invertebrate and medium - sized soil animals because of its abundance in species and hugeness in biomass 摘要土壤弹尾目昆虫作为无脊椎动物和中型土壤动物的典型代表，其具有丰富的种类和巨大的生物量，在重金属污染环境评估中具有十分重要的地位和独特的优势。
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