CRANE (voice-over): Spider silk is surprisingly strong, making it in a factory starts by isolating the proteins that make it so stuff.

卡拉内(画外音): 蜘蛛丝惊人的结实，在工厂里制造它首先要分离那些制造它的蛋白质。

This may be done by isolating a specific protein from a pathogen and presenting it as an antigen on its own.

这可以通过从病原体中分离出特定的蛋白质并将其作为抗原呈递来完成。