porosity发音名词1多孔性、透气性The porosity of the soil lets rainwater drain away quickly.土壤的多孔性让雨水能快速排掉。2孔隙率、孔隙度Engineers measured the porosity of the concrete samples in the lab.工程师在实验室测量混凝土样本的孔隙率。3吸水性Hair with high porosity absorbs moisture fast but loses it quickly.吸水性高的头发吸收水分快,但也流失得快。用这个字练口说→