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单词 silkstone
释义 ˈsilkstone
[See def.]
A variety of coal obtained at Silkstone near Barnsley in Yorkshire.
1867W. W. Smyth Coal & Coal-mining 57 The Arley mine or seam, which occupies the place of the Black Shale or Silkstone.1891Times 5 Oct. 4/4 Silkstones are still to be purchased..for moderate quantities up to 12s. 9d.
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更新时间:2025/3/21 4:18:37