| 单词 | river washing |
| 释义 | > as lemmasriver washing river washing n. (a) the action or an act of prospecting for gold or other mineral deposits in a river bed (cf. panning n.1 2); (b) an instance of a river washing over a flood plain and depositing sediment (now rare). ΚΠ 1831 W. Jacob Hist. Inq. into Prod. & Consumption Precious Metals II. xxv. 243 The river washing is at present the most extensively practised. 1866 C. Kingsley Hereward the Wake I. Prel. 15 To form, from the rain and river washings of eight shires, lowlands of a fertility inexhaustible. 1914 Public Health Rep. (U.S. Public Health Service) 29 342 Here the surface is overlaid with a deep humus, in part mixed with gravel from former river washings, with a gravelly substratum. 1949 M. Cary Geogr. Background Greek & Rom. Hist (1950) ix. 246 The Gallic temples were irresistibly rich in gold from river washings in the Cévennes and Pyrenees. 1982 Cahiers d'Études Africaines 22 245 Throughout the forest country gold was obtainable both by mining and by river washing. < as lemmas |
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