孩子们兴奋地看着树枝上的蛹，等待蝴蝶破茧而出。

The kids watched the ___chrysalis on the branch excitedly, waiting for the butterfly to emerge.

这个创业项目还处在孵化阶段，就像蝴蝶在茧中一样。

The startup project is still in its ___chrysalis, like a butterfly developing inside its cocoon.