a rifle butt的用法和样例：
- The robber was armed with a rifle.
- Get a rifle that shoots straight.
- The hostage had a rifle levelled at his head.
- The soldier told us where the firing mechanism of a rifle is.
- Those unhappy children who lived for years in fear of the beating of a rifle butt on their door;
- A rifle attachment for firing grenades.
a rifle butt的相关资料：