Polycephaly
- 双头动物（双头动物智力低，活下去的可能性小。两个头的大脑会产生分歧，如对危险的判断和食物的摄入。在较好的环境中，爬行类双头动物可能会活得更久）
Polycephaly
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abstract:
[[Heracles and the Lernaean Hydra by Gustave Moreau: The Hydra is perhaps the best known mythological multi-headed animal, also popularised in many fantasy settings.]]
以上来源于:
WordNet