沼泽地带
a large area of marsh
At low tide in the estuary, cows graze on the marshes. 河口水位低时，牛就在那儿的沼泽地上吃草。
He spent months exploring the marshes along the Loire.
The company was charged with dumping checmicals that polluted the marshes.
We drove for an hour before reaching the edge of the marshes.
We will be taking canoes out on the freshwater marshes.
See also: marsh