今天我们要学的词是bump stock. Bump stock 撞击枪托。The U.S. Department of Justice formally submitted a regulation to ban “bump stocks”, devices that enables guns to fire like automatic weapons. 美国司法部正式提交一项规定，取缔让枪支像自动武器一样快速发射的改装装置“撞击枪托”。Bump stocks were used in a mass shooting in Las Vegas in last October in which 58 people died. 拉斯维加斯去年10月造成58人丧生的枪击案的肇事人就使用了撞击枪托。好的，我们今天学习的词是bump stock, bump stock, bump stock …
