| 单词 | glacial boulder |
| 释义 | glacial boulder (once / 319441 pages) n WORD FAMILY glacial boulder: glacial boulders USAGE EXAMPLESGlacial boulder clay lies over much of the lower ground, and ridges of gravel and sand flank the hills and form extensive sheets. Various, Encyclopaedia Britannica, 11th Edit...(2011) Much glacial boulder clay covers all the higher ground of the county; it is a stiff brownish clay with many chalk fragments of travelled rocks. Various, Encyclopaedia Britannica, 11th Edit...(2010) In the regions of the country where the drift soil, left by the great ice-sheet, lies deepest, the glacial boulder clay is very far down. Rogers, Julia Ellen, Earth and Sky Every Child Should Kn...(2010) n a boulder that has been carried by a glacier to a place far distant from its place of origin Hyper boulder, bowlder a large smooth mass of rock detached from its place of origin |
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