“The defense of Beijing”的概念、定义、翻译、参考文献-科学参考

单词	The defense of Beijing
释义	The defense of Beijing Encyclopedia 历史学政治史释 The defense of Beijing北京保卫战中国明代正统十四年（1449）蒙古瓦剌部骑兵在首领也先率领下攻打明朝首都北京，明朝军民在明景帝领导、于谦主持下开展的一场首都保卫战。
随便看	denumerable space denumerable structure denumerably infinite denumerably many elements denumerant denumeration Denver Denver Art Museum Denver Developmental Screening Test Denver Museum of Nature & Science deny enforcement Denzel Washington Denɡ Zhimo Denɡ Zhiyi deodorization by catalytic oxidation deodorization device deomorphology deontic logic deontic modality deontological ethics deontological virtue ethics deontology deoscillator deoxidation deoxidation reaction in metal bath

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