撤退的用法和样例：
例句
-
我们的部队撤退到既设阵地上。
Our forces retired to prepared positions. -
伤亡太大，我们不得不撤退。
We have to draw off because of losses of forces. -
敌人被迫撤退。
The enemy was forced to retreat. -
士兵们在战斗中受挫，不得不撤退。
The soldiers had to retreat when they were beaten in battle. -
敌人狼狈撤退。
The enemy retreated in great confusion.
