In fact, the fangs of most toxic serpents have external grooves that direct the flow of poison.

实际上，大多数毒蛇的毒牙都有外部的凹槽用以引导毒液的流向。

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Its fangs no doubt bear poison, but they are also unmistakably surrounded by tiny crackles of electricity.

它的尖牙毫无疑问是带毒的。而它们也明显地被极小的电流环绕着。

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To infuse its lethal venom into the bloodstream, a cobra must turn its head, squeezing out poison that's connected to its fangs.

为了将剧毒的毒液注入人的血液，眼镜蛇必须将头竖起挤出毒牙里的毒液。

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