VOA慢速英语:美国大规模枪击案与控抢法案

convict – v. to prove that someone is guilty of a crime in a court of law

background check – n. a process that checks what a person has done in the past to decide whether they can buy a weapon

assault weapon – n. a semi-automatic gun designed for military use and quick, efficient killing

semi-automatic – adj. a firearm designed to fire one bullet with one trigger squeeze, then automatically reload the chamber wand be ready to fire again

massage – n. the action of rubbing or pressing someone's body in a way that helps muscles to relax or reduces pain in muscles and joints

addiction – n. a strong and harmful need to regularly have something (such as a drug) or do something (such as gamble)