| 单词 | ground-moraine |
| 释义 | > as lemmasground-moraine ground-moraine n. subglacial till, boulder-clay; also attributive. ΘΚΠ the world > the earth > structure of the earth > constituent materials > clay > [noun] > boulder clay till1842 boulder-clay1859 ground-moraine1863 1863 A. C. Ramsay Physical Geol. & Geogr. Great Brit. (1878) xxiv. 395 Ground-moraine matter, the moraine profonde of Swiss and French authors. 1880 A. R. Wallace Island Life ix. 169 The ground-moraine, consisting of mud and imbedded stones. < as lemmas |
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