xué / shēng / men / zài / kè / táng / shàng / tǎo / lùn / le / zhè / chǎng / zhèng / zhì / yùn / dòng / de / bèi / jǐng学生们在课堂上讨论了这场政治运动的背景。The students discussed the background of this political movement in class.