Lì / shǐ / kè / shàng / ， / lǎo / shī / jiè / shào / le / Guāng / fù / huì / zài / jìn / dài / Zhōng / guó / gé / mìng / zhōng / de / zuò / yòng / 。

历史课上，老师介绍了光复会在近代中国革命中的作用。

In history class, the teacher introduced the role of the Restoration Society in modern China's revolution.