由于盲蛇的化石基本上不存在，所以它们的进化历程还是个谜。

Blind snake fossils are nearly nonexistent, so their evolutionary history has been a mystery.

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也就是说，一些植物浮在水面上成为筏子，带着盲蛇漂洋过海。

In other words, the snakes went rafting, crossing oceans aboard floating vegetation stocked with their insect prey.

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除了南极洲，在地球上的其他各大洲都可以见到盲蛇。 它们钻入土壤中，就像一条蠕虫一样，而它们的身长也只能达到一英尺（30厘米）。

Growing to about a foot (30 centimeters) long, blind snakes act a lot like worms, burrowing under the surface of every continent except Antarctica.

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基因突变改变了这种蛇的受体，使得毒素无法致盲受体，乙酰胆碱的功能亦未受影响。

Mutations have altered the snake's receptor in such a way that, because the toxin cannot bind to the receptor, the acetylcholine function is undisturbed.

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在当风的窗口，孀妇发现有条盲眼蛇在游动。

At the windy window, the widow finds a blind snake winding.

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在当风的窗口，孀妇发现有条盲眼蛇在游动。

At the windy window, the widow finds a blind snake winding.

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