Question

armoury

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ar∙mour∙y / ˈɑrmərɪ ; ˈɑ:məri /
◙noun (plural armouries) [C] [BrE] ;armory [AmE]
1. a place where weapons are stored
• 军械库，武器库
2. all the skills, information etc someone has available to achieve something
• 宝库，锦囊:
 »Interest rates have become powerful weapons in the government's armoury.
  利率已成为政府锦囊中强大的法宝。