To get that glimpse of the nanocages researchers used cryo-electron microscopy.

为了一瞥纳米笼，研究人员使用了低温电子显微镜。

Perhaps nanocages like these could be used as containers for things like anti-cancer drugs or as ultra small vehicles to carry diagnostic molecules.

也许像这样的纳米笼可以用作抗癌药物之类的容器，或者用作携带诊断分子的超小型载体。