形声。从水,闰(rùn)声。本义:雨水下流,滋润万物。滋润 润笔 润色 润色饰
降字可以组什么词 :下降、骤降、降落、请降、降表、升降、降生、降旗、降级、招降、降伏、空降、降职、诈降、受降、递降、降顺、诱降、降幅、降温、降格、降服、劝降、纳降、机降、降解、投降、降班、归降、降水、起降、迫降、降价、乞降、降挹、降辇、降谪、降辔、降贤、降虏