"the lead times for many publications can vary tremendously"
"planning is an area where lead time can be reduced"
leadoffn.开始;著手;第一拳
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-rubber apron铅橡皮围裙
leadpolythene cable聚乙烯铅皮电缆
lead silicate glass硅酸铅玻璃
lead fixation clamp起搏电极线固定夹
lead a charmed life有护身符,冥冥中有神保佑