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