lǎo / shī / zài / kè / táng / shàng / bǐ / jiào / le / běn / zuì / hé / yuán / zuì / zhè / liǎng / gè / gài / niàn

老师在课堂上比较了本罪和原罪这两个概念。

The teacher compared the concepts of actual sin and original sin in class.