Impacts of Huge Amount of Sand Dredging on Riverbed Morphology and Tidal Dynamics of the Lower Reaches of the Dongjiang River and the Dongjiang River Delta是什么意思_Impacts of Huge Amount of Sand Dredging on Riverbed Morphology and Tidal Dynamics of the Lower Reaches of the Dongjiang River and the Dongjiang River Delta在线翻译_英语_读音_用法_例句