| 单词 | rock bar |
| 释义 | > as lemmasrock bar rock bar n. Physical Geography a low ridge of rock; spec. = riegel n. ΘΚΠ the world > the earth > land > landscape > high land > ridge > [noun] > rocky ridge rock bar1832 rand1839 randjiea1878 riegel1909 protalus1934 1832 United Service Jrnl. iii. 268/2 The cutting away of the rock-bar might easily be performed by a machine worked with steam. 1912 W. H. Hobbs Earth Features xxvi. 377 When the backward grades upon the valley floor are especially steep, the rock step becomes a rock bar, or riegel, of which nearly every Alpine valley has its example. 1957 G. E. Hutchinson Treat. Limnol. I. i. 71 The basins are divided by transverse ridges, presumably Riegeln or rock bars. 1996 R. Drewe Drowner (1998) 217 He blasted and dredged a channel thirty feet deep through a rock bar across the river mouth. < as lemmas |
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