| 释义 |
noun Geology.the lowest level to which running water can erode the land. Origin of base levelFirst recorded in 1870–75 Words nearby base levelbase hospital, BASE jump, base jumping, Basel, baseless, base level, baseline, baseliner, Basel-Land, base load, Basel-Stadt Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for base levelAnd, where those cannot be achieved, at least a base-level opposition to tyranny, reaction, religious fundamentalism, and so on. When Liberals Enable Tyrants|Michael Tomasky|September 6, 2013|DAILY BEAST At a stage shortly preceding the base-level stage the surface would be a peneplain. The Geography of the Region about Devils Lake and the Dalles of the Wisconsin|Rollin D. Salisbury In addition to the "castle" rocks and base-level plain about Camp Douglas, other features should be mentioned. The Geography of the Region about Devils Lake and the Dalles of the Wisconsin|Rollin D. Salisbury It is possible that these crests are remnants of a base-level plain older than that referred to above. The Geography of the Region about Devils Lake and the Dalles of the Wisconsin|Rollin D. Salisbury
The base-level is now 2-2, and the valley represented in the diagram has not yet reached it. The Geography of the Region about Devils Lake and the Dalles of the Wisconsin|Rollin D. Salisbury No definite degree of slope can be fixed upon as marking a base-level. The Geography of the Region about Devils Lake and the Dalles of the Wisconsin|Rollin D. Salisbury
British Dictionary definitions for base level
nounthe lowest level to which a land surface can be eroded by streams, which is, ultimately, sea level Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |