swampy

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。

Attractive, narrow shrub or small tree (Rhus, or Toxicodendron, vernix) of the sumac, or cashew, family, also called poison elder, native to swampy acidic soils of eastern North America.

株形美观，茎枝生长紧密灌木或小乔木（毒盐肤木〔Rhus vernix〕或毒漆〔Toxicodendron vernix〕），属漆树科或腰果树科，也称作毒接骨木。原产于北美洲东部酸性土壤中。