这个词是什么意思？
Unsaturated hydrocarbons of the type Cn-H2n, indicated by the suffix -ene. (Grant & Hackh's Chemical Dictionary, 5th ed, p408)
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D000475 · MeSH 2026。
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