spearhead

带头、领导、发起

She spearheaded the campaign to save the old market.

她带头发起了抢救老市场的运动。

先锋、带头者、主导者

He was the spearhead of the reform movement in his city.

他是该市改革运动的先锋。

先头部队、前锋部队军事

Tanks formed the spearhead of the morning assault.

战车组成了清晨攻击的先头部队。

矛尖、枪头

The museum displays a bronze spearhead found near the river.

博物馆展出一枚在河边出土的青铜矛尖。