“natural bridge”的概念、定义、翻译、参考文献-科学参考

单词	natural bridge
释义	natural bridge Encyclopedia 工学风景名胜资源释 natural bridge天生桥地下河与溶洞的顶板崩塌后，由残留部分的两端与地面连接而中间悬空的桥状地形。
随便看	burden of proposition burden sample proofing Burdigalian Stage bureaucracy Bureaucracy Theory bureaucrat capital bureaucratic budget-maximizing model Bureaucratic Capital bureaucratic capitalism bureaucratic capital of the Northern Warlords bureaucratic control bureaucratic decision rule Bureaucratic model bureaucratic structure bureaucrats Bureau for the Imperial Cults Bureau International de l'Heure Bureau International des Poids et Measures bureau international des poids et mesures Bureau of Astronomy Bureau of Corporations Bureau of Information Industry Department to promote e-government Bureau of International Exchange of Publications Bureau of Land Surveying and Mapping Bureau of Personnel Evaluation

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