lì / shǐ / kè / shàng / lǎo / shī / jiè / shào / le / xī / shǔ / Sā / hā / lā / de / zhí / mín / lì / shǐ

历史课上，老师介绍了西属撒哈拉的殖民历史。

In history class, the teacher introduced the colonial history of Spanish Sahara.