Lǎo / shī / zài / lì / shǐ / kè / shàng / jiè / shào / le / Bǎi / huā / yùn / dòng / jí / qí / duì / Zhōng / guó / zhèng / zhì / de / yǐng / xiǎng

老师在历史课上介绍了百花运动及其对中国政治的影响。

The teacher introduced the Hundred Flowers Campaign and its impact on Chinese politics in history class.