ammunition

The troops were supplied with weapons and ammunition.军队配有武器弹药。

She had the ammunition to prove her case. [=she had the evidence she needed to prove her case]对于自己的案件，她拥有有力的证据。

His foolish statements provided his opponents with more ammunition to use against him in the campaign.他愚蠢的言论给对手提供了更多在竞选中攻击他的炮弹。