ammunition

n. 军火,弹药1)
弹药
(2)
军火, 军需品
(3)
[喻]攻击[防御]手段
(4)
投掷[射击]物

We were desperately short of ammunition.

我们非常缺乏弹药。

The recent scandal has provided the government's opponents with plenty of ammunition.

最近的丑闻给政府的反对派提供了大量的炮弹。