n.沼泽地
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.