leadv.引导；领先；带领；过 ... (的生活)；导致n.领头位置；主角；榜样；引言；铅lead leg前腿leadlessadj.无铅的不含四乙(基)铅的.leadions铅离子lead work铅制品leadlinedadj.铅衬的(挂铅的；铅衬里的；衬铅的)Lead slag铅渣lead rail导轨,合拢轨lead down（道路）通往；带…通往，带…下坡lead news头条新闻lead mold铅模