arm the lead

例句：

1. 1. The soldiers were arming their weapons.
   士兵们正在武装他们的武器。
2. 2. She had to arm herself with courage before facing the challenge.
   面对挑战，她必须用勇气武装自己。
3. 3. The army was arming for battle.
   军队正在为战斗做准备。