| 释义 | 词路径entityphysical entitymattersubstancematerialstuffchemicalchemical substancecompoundchemical compoundorganic compoundestercellulose estercellulose nitratenitrocelluloseguncottonnitrocottonpyroxylinpyroxyline
上位词cellulose nitrateguncottonnitrocellulosenitrocotton
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