They could not move their heavy mortars over the swampy ground.他们无法把重型迫击炮移过那片沼泽地.Malaria is still rampant in some swampy regions.疟疾在一些沼泽地区仍很猖獗.An ox as grazing in a swampy meadow.一头牛在一块泥泞的草地上吃草....
An ox as grazing in a swampy meadow.一头牛在一块泥泞的草地上吃草.Malaria is still rampant in some swampy regions.疟疾在一些沼泽地区仍很猖獗.They could not move their heavy mortars over the swampy ground.他们无法把重型迫击炮移过那片沼泽地.I changed buses there, and...