float·ingBrE/ˈfləʊtɪŋ/NAmE/ˈfloʊtɪŋ/adjective[usually before noun]notfixedpermanentlyinoneparticularpositionorplace不固定的;流动的;浮动的◆floatingexchangerates浮动汇率◆afloatingpopulation(= oneinwhichpeoplefrequentlymovefromoneplacetoanother)流动人口◆(medical医学) afloatingkidney游走肾