Like some giant tortoises that can reach near 200 years and some small freshwater animals of the genus Hydra that appear not to age at all.

像一些巨型龟的寿命能活到将近两百岁，还有一些水螅属的淡水小动物，它们看起来一点也没有走向衰老的痕迹。

And hydra – the squishy tube-shaped freshwater animal, not the mythological sea serpent or Marvel villain – are really, really good at it.

九头蛇——一种柔软的管状淡水动物，而不是神话中的海蛇或漫威反派——真的非常擅长。