What led one ichthyosaur to bite another on the snout is unknown.
是什么驱使一只鱼龙咬另一个鱼龙的鼻口部仍未可知。
Fossil forensics has now identified the most likely culprit: another ichthyosaur.
化石证据已锁定了最为可能的凶手：另一条鱼龙。
Fossil forensics has now identified the most likely culprit: another ichthyosaur.
化石证据已锁定了最为可能的凶手：另一条鱼龙。
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