citadel的例句（citadel在句子中的用法）

• He died for Germany in the gigantic and futile operation called Citadel. 他在被称为“城堡”行动的一次大规模的劳而无功的战役中阵亡.
• The citadel was solid. 城堡是坚固的.
• The business is no longer regarded as a citadel of commerce. 该行业不再被视为贸易的堡垒。
• The citadel at Besançon towered above the river. 贝桑松的城堡高高地耸立在河边。