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
例句
用作名词 (n.)
However, the study on the application of springtail in soil ecological risk assessment is very limited. 目前跳虫在土壤生态风险评价中的应用研究尚处于起步阶段。
美
['sprɪŋteɪl]
