n.矛尖；突擊隊(duì)的先遣隊(duì)；攻擊的最前線
v.做先鋒；在前面帶頭做先鋒
A spearhead of tanks led the infantry attack. 坦克先遣隊(duì)引導(dǎo)步兵進(jìn)攻。
用作動(dòng)詞 (v.)The tanks spearheaded the offensive. 坦克在那次進(jìn)攻中打頭陣。
You will spearhead the sales campaign. 你當(dāng)促銷活動(dòng)的先鋒。
