基本解释n.淘洗(洗提；扬析；净化；澄清)同根派生 英汉例句用作名词 (n.)Elutriation refers to the selective removal of fines by entrainment from a bed consisting of a mixture of particles sizes.扬析是指从由各种颗粒直径的混合物形成的床层中选择地夹带出细粉颗粒的过程。