strongroom
noun [ C ] uk/ˈstrɒŋ.ruːm/ /ˈstrɒŋ.rʊm/ us/ˈstrɑːŋ.ruːm/ /ˈstrɑːŋ.rʊm/
保险库
a special room with strong walls and a strong door where valuable things can be kept safe
the bank's strongroom 银行的保险库
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