translation.en: If we had Redwood-like biology, if we got a touch of gangrene in our arm then we could just, you know, extract the nutrients extract the nutrients and the moisture out of it until it fell off.
translation.zh: 如果我们有红杉一般的生理机制，如果我们的手臂有某处坏死了 你知道，那么我们就可以， 吸收这部分的营养跟水分直至其脱落。