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