sludgeKK [slʌdʒ] /slʌdʒ/发音名词1污泥、淤泥The treatment plant removes sludge from the wastewater every day.处理厂每天都会把污水中的污泥清除掉。2油泥、积垢Old engine oil leaves a thick sludge inside the motor.老旧的机油会在引擎内部留下厚厚的油泥。3黏稠物、糊状物A brown sludge had collected at the bottom of the tank.槽底积了一层褐色的黏稠物。用这个字练口说→