这个词是什么意思？
A yellowish fossil resin, the gum of several species of coniferous trees, found in the alluvial deposits of northeastern Germany. It is used in molecular biology in the analysis of organic matter fossilized in amber.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D018647 · MeSH 2026。
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