这个词是什么意思？
Common name for large, quilled rodents (RODENTIA) comprised of two families: Old World porcupines (Hystricidae) and New World porcupines (Erethizontidae).
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D046328 · MeSH 2026。
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