UNMIL联合国利比里亚特派团UNabbr.(=United Nations) 联合国pron.<口>人，事物，家伙，东西unforeseeability innovation不可预见的创新unwished-for biology harm非目标生物伤害untypical crime of omission不真正不作为犯Uncaria macrophylla Wall.大叶钩藤uncalled-for interference无缘无故的干涉Undecided decision-making非确定型决策unramified covering surface非分歧覆盖(曲)面unbounded type strain gauge非固定型应变仪uncompleted -right houses小产权房unbalanced polyphase system[电] 不平衡多相制