VERB
领导;倡导;当…的先锋
If someone spearheads a campaign or an attack, they lead it.
例句
...Esther Rantzen, who is spearheading a national campaign against bullying...
埃丝特·兰森，一场全国性的反抗暴力运动的领导者
Helicopters can to some extent take the place of tanks by spearheading the airborne attack.
直升机可以担任空中进攻的前锋，从而在某种程度上取代坦克的地位。