unlimber

vt.把...从牵引车上拉下来,准备使用,准备行动vi.做准备工作

（军事）卸下（枪支等）；松开（炮支等）；准备打开（船只等）

动词

1. Soldiers were ordered to unlimber their weapons and prepare for battle.
士兵们被命令卸下武器，准备战斗。

2. The artillery unit quickly unlimbered their cannons and began firing.
炮兵部队迅速松开了他们的大炮并开始射击。