| 单词 |
river-drift |
| 释义 |
ˈriver-drift Geol. [f. river n.1 + drift n. 10.] Ancient alluvia of rivers in which early palæolithic remains are found. Also attrib., as river-drift gravel, river-drift man.
1839H. T. De la Beche Rep. Geol. Cornw., etc. xiii. 403 The whole probably being the accumulation of river-drift during a long period of time. 1865Lubbock Preh. Times 239 Neither the mammoth, nor the..rhinoceros have been found in any stratum anterior to the river-drift gravels. 1880Dawkins Early Man Brit. v. 99 The last and most important addition to be made to this list is the man of the river deposits, or the River-drift man. 1892[see drift n. 10]. |

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