Channels, natural levees, crevasse splay, floodpl ain, lakes, marshes and eolian dunes are important morphological and sedimentary units.是什么意思_Channels, natural levees, crevasse splay, floodpl ain, lakes, marshes and eolian dunes are important morphological and sedimentary units.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句