sewerageKK [ˋsuɚɪdʒ] /ˈsuɚɪdʒ/發音名詞1下水道系統、排水系統The old town still lacks a proper sewerage system.這座老城鎮至今仍缺乏完善的下水道系統。2污水、廢水Untreated sewerage was flowing straight into the river.未經處理的污水直接排入河中。