spearheads
n.
先锋，先头部队( spearhead的名词复数 );
v.
当…的先锋，带头( spearhead的第三人称单数 );
例句:
-
The spearheads of the Panzer Divisions penetrated further...toward the Channel Ports.
来自C. R. Attlee
-
Certainly the German spearheads were very close.
德国的先头部队一定相距很近.
-
Lapthorne, who has cerebral palsy, spearheads a new wave of young athletes who have turned to wheelchair tennis.
来自BBC