单词	cornstone
释义	cornstone /ˈkɔːnstəʊn / noun [mass noun] Geology A mottled red and green limestone characteristic of the Old and the New Red Sandstone in Britain.The Bishops Frome Limestone and cornstones of the St Maughans Formation also have been used for this purpose.... The soil is loam and the subsoil Old Red Sandstone, interstratified with cornstone at Pippin's Hill in the north. These cornstones are only exposed at low water, and occupy a position some 15 ft. or 20 ft. above the Parnell grit.
随便看	hydraulic fracturing hydraulicity hydraulic ram hydraulics hydrazine hydria hydric hydride hydriodic acid hydro hydro- hydrobromic acid hydrocarbon hydrocele hydrocephalic hydrocephalus hydrocephaly hydrochloric acid hydrochloride hydrochlorofluorocarbon hydrocolloid hydrocortisone hydroculture hydrocyanic acid hydrodynamic

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