资料来源 : pyDict

矛尖,突击队的先遣队,攻击的最前线做先锋,在前面带头做先锋

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Spearhead \Spear"head`\, n.
   The pointed head, or end, of a spear.

资料来源 : WordNet®

spearhead
     n 1: someone who leads or initiates an activity (attack or
          campaign etc.)
     2: the leading military unit in an attack
     3: the head and sharpened point of a spear [syn: {spearpoint},
        {spear-point}]

spearhead
     v : be the leader of; "She spearheded the effort to find a cure
         for the disease"