lì / shǐ / kè / shàng / lǎo / shī / xiáng / xì / jiǎng / jiě / le / sān / fān / zhī / luàn / de / jīng / guò

历史课上，老师详细讲解了三藩之乱的经过。

In history class, the teacher explained the course of the Rebellion of the Three Feudatories in detail.