lì / shǐ / kè / shàng / lǎo / shī / jiè / shào / le / Sà / kè / xùn / rén / de / qiān / xǐ / guò / chéng

历史课上，老师介绍了萨克逊人的迁徙过程。

In history class, the teacher described the migration of the Saxons.