uncapv.脱掉帽子；打开盖UNabbr.(=United Nations) 联合国pron.<口>人，事物，家伙，东西unmanufactured tobacco未加工烟草unprocessed parameters非加工参数un-calibrated method非标定方法unbalanced power grids电网电压不平衡unconformable surfaces不整合面unexpended plant funds未支用产业基金unutilized expenditure[经] 未利用的支出额unguentum ophthalmicum眼(软)膏unnumbered acknowledge非编号回答, 非编号确认unleaded octane rating无铅辛烷值