Leadleyn.利德利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-free glaze无铅釉lead fatigue test引线疲劳试验leadsman rs apron水砣手防湿围裙Lead/zinc mine铅锌矿lead-sheet roof铅皮屋顶lead a rough life过着简陋的生活lead the struggle领导斗争lead coulombmeter铅极电量计lead pencil knife削铅笔刀lead to no result得不出任何结果, 是徒劳的

1. Shirley will try out for the lead in the play.
   雪莉将参加该剧主角的选拔演出。
2. My sister plays the leading role in this film.
   这部电影是我姐姐的主角。
3. Launch them into careers that lead to leadership positions.
   促使他们日后在事业上取得领导地位。