bào / yǔ / guò / hòu / gōng / zuò / rén / yuán / jí / shí / qīng / lǐ / le / hán / dòng / lǐ / de / yū / ní暴雨过后,工作人员及时清理了涵洞里的淤泥。After the rainstorm, the workers promptly cleared the mud from the culvert.