| 单词 | drainage-basin |
| 释义 | > as lemmasdrainage-basin drainage-basin n. the area of land drained by a river and its tributaries; a catchment area; = basin n. 11. ΘΚΠ the world > the earth > land > land mass > shore or bank > land near river > [noun] > catchment area valleyc1790 basin1804 river basin1824 watershed1839 catchment1844 catchment basin1844 drainage1866 gathering-ground1877 drainage-basin1882 catchment area2001 1882 Nation 13 July 33/1 The topography of its immediate banks and that of its drainage-basin..are fully set forth. 1885 A. Geikie Text-bk. Geol. (ed. 2) iii. ii. ii. 352 The proportion of mineral matter in river-water varies with the season... Its amount and composition depend upon the nature of the rocks forming the drainage-basin. 1965 A. Holmes Princ. Physical Geol. (rev. ed.) xvii. 469 A main river and all its tributaries constitute a river system, and the whole area from which the system derives water and rock-waste is its drainage basin. < as lemmas |
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