xǔ / duō / shū / jí / dōu / jì / zǎi / le / gēng / zǐ / guó / biàn / shí / qī / de / shè / huì / dòng / dàng

许多书籍都记载了庚子国变时期的社会动荡。

Many books record the social upheaval during the crisis of 1900.