Lǎo / shī / zài / kè / táng / shàng / jiè / shào / le / Mǐ / kāi / lán / jī / luó / de / yì / shù / chéng / jiù老师在课堂上介绍了米开兰基罗的艺术成就。The teacher introduced Michelangelo's artistic achievements in class.