lì / shǐ / kè / shàng / lǎo / shī / jiè / shào / le / fǎn / yòu / yùn / dòng / de / bèi / jǐng / hé / yǐng / xiǎng

历史课上，老师介绍了反右运动的背景和影响。

In history class, the teacher introduced the background and effects of the Anti-Rightist Movement.