关于sparser的百科

• sparser造句怎么写

• Itsterritoryandwealtharegreater,itspopulationsparser,itssenseofnationhoodmorefragile.Ingeneral,theAmazon'sfertilefloodplainshavebeenpopularsitesforancientcivilizations,whilethesparseruplandshavebeenthoughttobelargelydevoidofpeople,theresearcherssay....
• 2016-11-3015677