Unan乌南unaabbr.(英国)联合国协会(=United Nations Association)Una.n.尤娜(女子名)Unattended death未被照顾的死亡unaccommodatinglyadv.不应允地unauthorized item未核定的补给品项目unauthorized user越权用户unallotted shares[法] 未分配的股份unannounced visit突击检查unauthorized call越权得unadjusted debits未调整借项unascertained set未确知集unattended answer自动应答