一种完全无毒的蛇家族，王蛇，也进化出了能中和响尾蛇毒液的血清。

One family of completely harmless snakes, the kingsnake, has also evolved serum that neutralizes rattlesnake venom.

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另一种可能性是死亡蠕虫属于眼镜蛇家族的一员，叫做小蝰蛇。

Another possibility is that the death worm is a member of the cobra family called the death adder.

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另一种可能性是死亡蠕虫属于眼镜蛇家族的一员，叫做小蝰蛇。

Another possibility is that the death worm is a member of the cobra family called the death adder.

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