Ungun温贡UNabbr.(=United Nations) 联合国pron.<口>人，事物，家伙，东西unguentum picis fabae nigrae黑豆馏油膏unfiar connected transaction不公平关联交易uncontaminated water sampler无沾污采样器Unverricht myolonus epilepsy安沃瑞齐特肌阵挛性癫痫undisputed facts/evidence不容置疑的事实/证据uncinate process of vertebra椎骨钩突unconditioned defense reflex非条件防御反射unticaria perstans verrucosa疣状持久性荨麻疹unemployment of the educated知识失业undifferentiated cancer cell未分化癌细胞