| 单词 | alluvial cone |
| 释义 | > as lemmasalluvial cone alluvial cone n. a conical deposit of alluvium, esp. a steeply sloping alluvial fan; cf. cone n.1 1d. ΚΠ 1864 J. Hunt tr. C. Vogt Lect. on Man xii. 363 The notice of Pruner-Bey does not even afford a certain indication whether the said skull, from the alluvial cone of the Tinière, near Villeneuve, is really a short head, as the transverse diameter is not mentioned. 1924 I. Bowman Desert Trails Atacama xvi. 326 In many cases the terraces are either ravined or covered with coarse deposits of alluvial cones or fans. 2004 D. P. Crouch Geol. & Settlement v. 187 Streams deliver this material to the valley floor, forming alluvial cones where the streams enter the valley. < as lemmas |
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