| 单词 | wetland |
| 释义 | wetland|ˈwɛtlænd|
[f. wet a. + land n.]
An area of land that is usually saturated with water, often a marsh or swamp. Also attrib. Also pl. (sometimes const. as sing.).
1743M. Catesby Nat. Hist. Carolina II. p. iv, On this wet Land grows a variety of Evergreen Trees and Shrubs. 1847H. Howe Hist. Coll. Ohio 98 ‘Wet land’..by judicious cultivation..rapidly improves in fertility. 1955Sci. News Let. 29 Oct. 281/2 The wetland partridge is about twice the size of the valley quail. 1965New Scientist 17 June 763/3 Wetlands are defined to include marshes, bogs, swamps and any still water less than six metres deep. 1969Nature 19 Apr. 239/2 Wetland ecosystems in the limited sense of this work are defined as ecosystems with a watertable, above, at or very near the substrate surface, the substrate remaining saturated throughout the year. 1979Daily Tel. 25 Oct. 11/4 Plans to protect the Somerset wetlands—an area of rare wildlife, whose future has been in dispute—are to be prepared. 1980National Trust Spring 16/3 We intend to preserve this swamp area in its natural state as a haven not only for wetland flora but also for birds and animals. 1985Daily Hampshire Gaz. (Northampton, Mass.) 9 Aug. 17/5 Under state law construction can not take place on a wetlands unless there are plans to replace the wetlands. |
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