sludgeKK [slʌdʒ] /slʌdʒ/發音名詞1汙泥、淤泥The treatment plant removes sludge from the wastewater every day.處理廠每天都會把汙水中的汙泥清除掉。2油泥、積垢Old engine oil leaves a thick sludge inside the motor.老舊的機油會在引擎內部留下厚厚的油泥。3黏稠物、糊狀物A brown sludge had collected at the bottom of the tank.槽底積了一層褐色的黏稠物。