Left and right shoes are enantiomorphs.

左右鞋是对映结构体。

Shapes like these, that are the mirror image of each other, but they can't be superposed on each other, they're called enantiomorphs, which is a cool word.

像这样的形状，它们是彼此的镜像，但它们不能相互叠加，它们被称为对映结构体，这是一个很酷的词。