" We've cast that part already." You know?

我们已经选好了这个角色 你明白吗？

Like animals who molt, we cast off parts of our personality.

就像蜕皮的动物一样，我们摆脱了部分个性。

Narrator: They do this by layering pieces of material like silk organza or power netting into the artery molds before casting the parts in silicone.

旁白：他们通过将丝绸透明​​硬纱或电力网等材料层叠到动脉模具中，然后再用硅胶浇铸零件来做到这一点。