N-VAR
湿地；沼泽地
A wetland is an area of very wet, muddy land with wild plants growing in it. You can also refer to an area like this as wetlands .
例句
...a scheme that aims to protect the wilderness of the wetlands...
旨在保护湿地自然环境的计划
There are some areas of wetland which are of ancient origin.
有一些湿地在古代就形成了。