Amphibians such as this poison dart frog also have lungs like mammals but can get some oxygen through their moist, permeable skin as well.

像这只毒箭蛙这样的两栖动物也有像哺乳动物一样的肺，但它们也可以通过湿润、可渗透的皮肤获得一些氧气。

Meanwhile, poison dart frogs have also evolved resistance to their own toxins, but through a different mechanism.

与此同时， 箭毒蛙也进化出对自身毒素的抵抗力，但通过不同的机制。

Even further south is Central America, which has some of the most beautiful rainforests and exotic animals, like the poison dart frog, ocelots, tapir, capuchin monkey, and jaguar.

再往南是中美洲，那里有最美丽的雨林和奇异的动物，比如毒镖蛙、豹猫、貘、卷尾猴和美洲虎。

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具有神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，足以阻止神经毒素发挥其不利影响。