名词

1. 弹药；军火
Ammunition is bullets and rockets that are made to be fired from guns.

2. （辩论或讨论中可攻击对方的）信息，事实，炮弹
You can describe information that you can use against someone in an argument or discussion as ammunition.

1. projectiles to be fired from a gun

Synonym: ammo

2. information that can be used to attack or defend a claim or argument or viewpoint

e.g. his admission provided ammunition for his critics

3. any nuclear or chemical or biological material that can be used as a weapon of mass destruction