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
造句
用作名詞(n.)
However, the study on the application of springtail in soil ecological risk assessment is very limited. 目前跳蟲在土壤生態風險評價中的應用研究尚處于起步階段。