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单词
mineral charcoal
释义
WordReference Random House Unabridged Dictionary of American English © 2024
min
′
eral char
′
coal,
Mineralogy, Mining
a fibrous substance resembling charcoal and having a high carbon content, often occurring in thin layers in bituminous coal. Also called
mother of coal.
1795–1805
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radford
radha
radhakrishnan
radiability
radiable
radiableness
radiably
radial
radial engine
radiality
radial keratotomy
radially
radial motion
radial-ply
radial saw
radial symmetry
radial tire
radial triangulation
radian
radiance
radiancy
radiant
radiant emittance
radiant energy
radiant flux
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更新时间:2026/8/7 19:25:02