主力部隊的用法和樣例：
例句
-
前哨派駐在離主力部隊很遠的地帶的支隊以防敵人的偷襲
A detachment of troops stationed at a distance from a main force to guard against surprise attacks. -
從主力部隊派遣的小分隊遭到敵人的伏擊。
The detachment of the main force was ambushed by the enemy. -
如果我們在敵軍薄弱的側翼部署一個(gè)連隊，我們就可以不動(dòng)用主力部隊而卷?yè)魯耻娬麄€(gè)陣地。
If we can put a company on the enemy's weak flank, we can roll up his entire position with out engaging our main force.
