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black diamond ['blæk'daɪəmənd]
busin. 黑钻
chem. 墨玉; 乌金; 煤
met. 黑金刚石
tech. 黑色金刚石
textile 黑钻石
black diamonds
archit. 黑色金刚石
busin. 煤
 English thesaurus
black diamond ['blæk'daɪəmənd]
jewl. Carbonado is a natural polycrystalline diamond that is usually found in alluvial deposits - sand and soil sediment deposited by running water often along river banks - in central Africa and Brazil. These diamonds are generally dark grey or black in color
Black Diamond ['blæk'daɪəmənd]
chem., abbr. BD
black diamond
: 2 phrases in 2 subjects
General1
Nautical1

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