out.post
n.(名词)
A detachment of troops stationed at a distance from a main force to guard against surprise attacks.前哨:派驻在离主力部队很远的地带的支队以防敌人的偷袭The station occupied by such troops.前哨地:这种支队的驻地A usually small military base established in another country.国外前哨基地:驻扎在另一国家的通常很小的军事基地An outlying settlement.边区村落:远离中心定居点