moistener英美n. 润湿器;喷水装置医学化学英英释义nouna device that dampens or moistens somethinghe used a dampener to moisten the shirts before he ironed themSynonym:dampener双语例句Application of Laval Nozzle in Vacuum moistener reformation拉伐尔喷管在真空回潮机改造中的运用