这个词是什么意思？
A broad class of substances encompassing all those that do not include carbon and its derivatives as their principal elements. However, carbides, carbonates, cyanides, cyanates, and carbon disulfide are included in this class.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D007287 · MeSH 2026。
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