zài / chōu / xiàng / dài / shù / kè / shàng / lǎo / shī / yòng / tóng / tài / lái / jiě / shì / liǎng / gè / dài / shù / jié / gòu / zhī / jiān / de / guān / xì

在抽象代数课上，老师用同态来解释两个代数结构之间的关系。

In abstract algebra class, the teacher used homomorphisms to explain the relationship between two algebraic structures.