soft set软集合softadj.柔软的；柔和的；温和的；不强烈的；轻的adv.柔软地；温和地n.柔软的东西Soft foundation reinforcement软基加固soft soil with organic matter有机质软土Soft seats or hard seats?Soft - switching technology软开关技术Soft Agarose Cell Cloning Kit软琼脂细胞克隆试剂盒soft tissue infection of neck颈部软组织感染soft soil basement in highway公路软基soft environment of libraries图书馆软环境soft environment construction软环境建设soft water closed circulation软水密闭循环