leadinn.引入端(输入端;引入线;介绍;开场白)
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 an army率领部队
lead coerces铅污染
lead-tight铅密封
lead plating镀铅
lead bromate溴酸铅
lead removal铅去除
lead complex铅络合物
lead mordant铅媒染剂
Lead -free无铅
lead glasses[医] 铅玻璃