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单词 grahamite
释义

WordReference Random House Unabridged Dictionary of American English © 2024
gra•ham•ite  (grāə mīt′),USA pronunciation n. [Mineral.]
  1. Mineralogyan asphaltite with a pitch-black luster.
  • 1865–70, American; named after J. A. and J. Latin. Graham, 19th-century American mineowners; see -ite1

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