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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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更新时间:2024/12/22 1:19:30