an underground container for the temporary storage of liquid waste and sewage 污水池,化粪池 ■(figurative)a disgusting or corrupt place (喻)藏垢纳污的场所;污秽之地
语源
late 17th cent. (denoting a trap under a drain to catch solids): probably an alteration, influenced by pool, of archaic suspiral 'vent, water pipe, settling tank', from Old French souspirail 'air hole', based on Latin sub- 'from below' + spirare 'breathe'