误食含有河豚毒素的食物可能会导致严重的神经麻痹。

Consuming food contaminated with ___tetrodotoxin can lead to severe nerve paralysis.

科学家们在实验中使用了河豚毒素来阻断神经细胞中的钠离子通道。

Scientists used ___tetrodotoxin to block sodium channels in nerve cells during the experiment.