citadel
citadel[ˈsɪtəd(ə)l, -dɛl]noun- a fortress, typically on high ground protecting or dominating a city
(尤指建于高地保卫、俯视城市的)堡垒,要塞
- a meeting hall of the Salvation Army
救世军会议厅
语源- mid 16th cent.: from French citadelle, or from Italian cittadella, based on Latin civitas 'city' (see city)
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