marsh an area of low flat ground that is always wet and soft, that often has grasses or reedsgrowing in it but no trees
The low hills you can see are like islands surrounded by the marsh.
Miles of salt marsh (=which has salt water under it because it is near the sea) stretched before us, reaching to the shores of the River Severn.
Hackney Marshes
the rustling of the marsh grass
swampland that is always very wet or covered with a layer of water, that often has trees growing in it – used especially about areas in hotcountries
the swamps of Florida
Less than 200 years ago, the city was a swamp, infested by mosquitoes.
bog an area of low wet muddy ground, sometimes with bushes or grasses growing in it
His foot started slowly sinking into the bog.
The destruction of peat bogs is contributing to global warming, according to a report commissioned by Friends of the Earth.
wetland an area of land that is partly covered with water, and that has grasses and other plants growing in it – often used about areas that are important to birds or wildlife
The ecosystem of the world 's largest wetland, the Pantanal in southwest Brazil, is being threatened by tourists.
wetland birds
fen a large area of low flat wet land – used especially about the area of this type of land in eastern England in Cambridgeshire and Lincolnshire, which is known as the Fens
He grew up in the Fens
Intensive cultivation and continued drainage of the Fens further accelerates the degradation of the land.
mire literary an area of wet muddy ground, which people and vehicles etc get stuck in
marsh ♦︎ swamp ♦︎ wetland ♦︎ bogThese are all words for areas of land that are soft and wet.这些词均表示湿地、沼泽地。PATTERNS AND COLLOCATIONS 句型和搭配◆to drain a marsh / a swamp / wetlands / a bog◆to sink into the marsh / bog■marsh [countable, uncountable] an area of low land that is always soft and wet because there is nowhere for the water to flow away to湿地;沼泽;草本沼泽◆Cows were grazing on the marshes.牛群在湿地上吃草。◆The land is colonized by various types of marsh vegetation.这块地上长满了各种沼泽植物。▸marshy
adjective
◆The town is situated on what was once a marshy plain.这个镇所在的地方曾是一片平坦的沼泽地。■swamp swɒmp; NAmEswɑːmp [countable, uncountable] an area of land that is very wet or covered with water and in which plants and trees are growing沼泽;沼泽地◆Most coal fields began life as swamps 300 million years ago.大多数煤田形成于3亿年前的沼泽。◆The country contains around 700 square km of swamp.该国约有700平方公里的沼泽地。▸swampy
adverb
◆Swampy land is ideal for the cultivation of rice.沼泽地很适合种植水稻。NOTE辨析 Marsh or swamp?A marsh may have grass and other plants growing in it, but it does not have trees. A swamp has trees and other woody plants growing in it. * marsh内可能长有草和其他植物,但没有树。swamp内长有树和其他木本植物。■wetlandˈwetlənd [uncountable, countable] an area of wet land, especially one that is protected or considered as a home for wildlife(尤指受到保护或被视为野生动物栖息地的)湿地,沼泽地◆Measures are being taken to protect the country's dwindling areas of wetland.该国正采取措施保护日益缩减的湿地。◆The wetlands are home to a large variety of wildlife.湿地是多种野生动物的栖息地。■bog [countable, uncountable] an area of soft wet ground, formed from decaying plants(植物腐烂形成的)沼泽地◆We collected several interesting specimens from the bog.我们从那个沼泽地采集了几种有趣的标本。◆There was an area of bog behind the house.房子后面有一片沼泽地。▸boggy
adverb
◆The path through the moorland is boggy but still in use.穿过高沼地的小路泥泞不堪,但仍在使用。