unain.[动]二趾树懒=unau.
unaabbr.(英国)联合国协会(=United Nations Association)Una.n.尤娜(女子名)
unallocated contingency未列入预算的紧急拨款,意外开支拨款
unarmed explosive train未解除保险的传爆系统
unaggressive individual无攻击性个人
Unaccountable errors.无法解释的错误
unaccusative hypothesis非直接格假设
unabsolvable obligation不可免除的义务
unauthorized investment[经] 未经信托文件授权的投资
unattended surveillance无人值守监测