单词 | thalweg |
释义 | thal·weg (tälvĕg′) n. Geology 1. The line defining the lowest points along the length of a river bed or valley. 2. A subterranean stream. [German Talweg, Thalweg : Tal, Thal, valley (from Middle High German tal, from Old High German) + Weg, way (from Middle High German wec, weg, from Old High German weg; see wegh- in the Appendix of Indo-European roots).] |
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