spearhead ['spiəhed]

spearhead的基本解释

n.

矛尖, 先头部队, 突击队的先遣队, 攻击的最前线

• A spearhead of tanks led the infantry attack.
• 坦克先遣队引导步兵进攻。

vt.

做先锋, 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。