beachheads
n. 滩头阵地,滩头堡( beachhead的名词复数 )
A beachhead is an area of land next to the sea or a river where an attacking force has taken control and can prepare to advance further inland.
By D - Day plus five , the beachheads had been merged along a front of sixty miles.
D日后的第六天,滩头阵地已宽达60哩.