firearm [ˈfaɪərɑ:rm]

例句:

• He did not hold a firearm certificate.
  他没有持枪许可。
  
• But even they have little problem obtaining a firearm.
  来自VOA
• The intention of anybody possessing a firearm is irrelevant.
  来自WSJ
• So that's the kind of firearm she could just stick in her purse?
  所以她可以把这把枪放在她的钱包里?
  
• Discharging an un silenced firearm in a room can cause temporary deafness.
  在室内使用不带消音器的武器射击,会造成暂时性的耳聋.
  
• It is unclear whether such a firearm model exists.
  来自WSJ