lì / shǐ / kè / shàng / lǎo / shī / jiè / shào / le / Lián / cāng / mù / fǔ / de / jiàn / lì / hé / fā / zhǎn历史课上,老师介绍了镰仓幕府的建立和发展。In history class, the teacher introduced the establishment and development of the Kamakura shogunate.