Think of the molecular target of a neurotoxic alkaloid as a lock, and the alkaloid itself as the key.

将经毒性生物碱的分子靶标想象一把锁，将生物碱本身想象。

A neurotoxic peptide called poneratoxin that our bodies struggle to degrade is what makes the pain last so long.

一种叫做 poneratoxin 的经毒性肽让我们的身体难降解，这就是让疼痛持续这么久的原因。

The garter snake, which dines on neurotoxic salamanders, has evolved resistance to salamander toxins through some of the same genetic changes as the salamanders themselves.

有经毒性的蝾螈为食的吊带蛇通过一些与蝾螈本身相同的基因变化，进化出了对蝾螈毒素的抵抗力。

For poison dart frogs and many other animals with neurotoxic defenses, a few genetic changes alter the structure of the alkaloid-binding site just enough to keep the neurotoxin from exerting its adverse effects.

对于箭毒蛙和许多其他有经毒素防御能力的动物来说，一些遗传变化改变了生物碱结合位点的结构，足阻止经毒素发挥其不利影响。