Semi-automatic firearm的用法和樣例：
例句
- It is illegal to discharge a firearm from a public highway.
從公路發(fā)射火器是違法的。 - Call is accused of possessing an unregistered machine gun, as well as parts designed to convert manual firearms into automatic weapons.
烤鵝先生被控擁有未注冊的機關(guān)槍?zhuān)坝糜趯⑹謩?dòng)火器改造成自動(dòng)武器的材料。
