spearhead

['spiəhed]

n.矛尖,突击队的先遣队, 攻击的最前线
v.做先锋, 在前面带头做先锋

例句与用法：

The tanks spearheaded the offensive.

坦克在那次进攻中打头阵。

The new managing director will act as spearhead of the campaign.

新上任的常务董事将在这场运动中挂帅。

词形变化：

动词过去式: spearheaded | 动词过去分词: spearheaded | 动词现在分词: spearheading | 动词第三人称单数: spearheads |

详细释义：

n.[C]

1. 矛头, 枪尖

2. 先锋; 先锋部队[S1][(+of)]

A spearhead of tanks led the infantry attack.

坦克先遣队引导步兵进攻。

vt.

当……的先锋; 为……扫清道路; 带头

Plastics spearheaded the advance in synthetic materials.

塑料是合成材料发展的先导。

The airborne troops spearheaded the crossing of the river.

空降兵在渡河作战中担任先导。