| 单词 | Erethizon dorsatum |
| 释义 | Erethizon dorsatum (once / 844237 pages) n WORD FAMILY Erethizon dorsatum n porcupine of northeastern North America with barbed spines concealed in the coarse fur; often gnaws buildings for salt and grease Syn|Hyper Canada porcupine New World porcupine arboreal porcupine |
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