Question

arsenal

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ar∙se∙nal / ˈɑrsnəl ; ˈɑ:sənəl /
◙noun [C]
1. a large group of weapons that someone has
• 储备的大批武器:
 »Britain's nuclear arsenal
  英国的核武器
▪ [+of]
 »an arsenal of guns
  大批枪支
2. a building where weapons are stored
• 武器库，军火库
3. the equipment, methods etc that someone can use to help them achieve something
• 〔设备、方法等的〕宝库，珍藏:
 »a software package that's now part of our arsenal
  现已成为我们法宝之一的一个软件包
▪ [+of]
 »He has a whole arsenal of cameras.
  他有各种各样的相机。