impotent

adj. 无力的,虚弱的,无效的,阳萎的

important-looking, importantly, importation, importer, importunate, importunately, importune, importunity, impose, impose...on, imposing, imposingly, imposition, impossibility, impossible, impossibly, impost, impostor, imposture, impotence, impotently, impound, impoverish, impoverished, impoverishment, impracticability, impracticable, impracticably, impractical, impracticality, impractically, imprecation, imprecise, imprecisely, imprecision, impregnability, impregnable, impregnably, impregnate, impresario,