单词 | Marcellus shale |
释义 | Marcellus shale/mɑːˌsɛləs ˈʃeɪl/(also Marcellus Shale) Geology noun A highly bituminous black shale of Devonian age found in the north-eastern United States. OriginMid 19th century. From Marcellus, the name of a town in New York State + shale. |
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