uncapv.脱掉帽子；打开盖UNabbr.(=United Nations) 联合国pron.<口>人，事物，家伙，东西unlabelled common block无标号公用块unconventionality point异常点undeveloped water power未开发的水能unheard-of effrontery无耻的行径unguentum ichthammollis鱼石脂软膏Uncontrolled hemorrhage未控制出血性uncharitable remarks.无情的评论uneontrolled trajectory非控弹道unfulfilled instigation未遂的教唆unbalanced wire circuit不平衡有线电路