| 单词 | river system |
| 释义 | > as lemmasriver system river system n. a large river and its tributaries considered as a single entity. ΘΚΠ the world > the earth > water > rivers and streams > system > [noun] water system1833 river system1834 1834 Penny Cycl. II. 468/1 Extensive terraces, through which the great river-systems descend to the low lands. 1879 Encycl. Brit. X. 272/1 In a vast river system like that of the Mississippi, the area of drainage is..extensive. 1962 H. R. Loyn Anglo-Saxon Eng. i. 9 For the main part the river-systems drain west in this area. 2005 Nature 14 Apr. 831/1 About half of the total volume delivered to the Arctic comes from Eurasian river systems and amounts to about 1.9 Berings. < as lemmas |
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