Sewing factories complete the metamorphosis from pop bottle to pullover.

缝纫工厂完成这个从汽水瓶到套衫的转变。

Going through this type of complete metamorphosis is surprisingly common.

经历这种完全蜕变令人惊讶地常见。

What survival advantages might complete metamorphosis provide to make up for the added hassle?

完全变态可以提供哪些生存优势来弥补额外的麻烦？

You see, flies, as with most insects, undergo a complete metamorphosis from egg to adult via a larvae and a pupal stage.

苍蝇，和大多数昆虫一样，经历幼虫和蛹的阶段，完成从卵到成虫的完全蜕变。

Butterflies are just a few of the 800,000 insect species that transition from larvae to adults through complete metamorphosis.

蝴蝶只是 800, 000 种昆虫中的一小部分，它们通过完全变态从幼虫转变为成虫。

Regardless of how complete metamorphosis originated, it’s become part of the life cycles of a dizzying number of insect species.

无论完全的起源如何，它都已成为令人眼花缭乱的昆虫物种生命周期的一部分。

Whatever the reason, and there may be more than one, the fact that complete metamorphosis is so strikingly common in the animal kingdom means that this is a hugely successful way to live in the eyes of evolution.

不管是什么原因，可能不止一个，事实上，完全蜕变在动物界如此普遍，这意味着在进化看来，这是一种非常成功的生活方式。