beachhead
n. [军] 滩头堡，滩头阵地
复数 beachheads
例句
They were attacked unexpectedly from both sides as soon as they landed at a beachhead.
他们一登上滩头阵地就意外地遭到两面夹攻。
《新英汉大辞典》
As a beachhead to attack America.
作为桥头堡来攻打美国。
Where the Allies had won the critical battle for air supremacy was not over the beachhead.
在尚未结束的滩头阵地对决中，盟军赢得了关键的制空权的胜利。
