There are 25 sedimentary cycles made up of aeolian palaeo-dune sands, loess, palaeosol, lacustrine facies and alluvial-hillslope sandy soils and gravels in Chagelebu section, Badan Jaran Desert .是什么意思_There are 25 sedimentary cycles made up of aeolian palaeo-dune sands, loess, palaeosol, lacustrine facies and alluvial-hillslope sandy soils and gravels in Chagelebu section, Badan Jaran Desert .在线翻译_英语_读音_用法_例句