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单词 θ70192
释义
the world > matter > chemistry > organic chemistry > organic dyes > [noun] > colour unspecified (2)
thiamine1887

Chemistry. (See quot.) Obsolete. rare.

thiazine1893

any of a class of dyes that contain a ring of one nitrogen, one sulphur, and four carbon atoms in the molecule, such as thionine and methylene blue.

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更新时间:2024/12/24 20:42:21