ivory black
短语[医] 象牙炭, 动物炭, 巴黎骨炭
释义与例句
n.
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1.
A black powder, originally made from burnt ivory, later from bone (i.e. boneblack).
历史 不可数
[医] 象牙炭, 动物炭, 巴黎骨炭
A black powder, originally made from burnt ivory, later from bone (i.e. boneblack).