Unar乌纳尔
unaabbr.(英国)联合国协会(=United Nations Association)Una.n.尤娜(女子名)
unascension of sour-salty herbs酸咸无升
Unattractive nobody looks at on.不好看的又没有人看得上。
unattended booster pumping station自动增 压泵站
unallowable instruction correction非法指令校正
unauthorized access to information对信息的未授权访问
Unarmed peasants were shot down.手无寸铁的农民被击中了。
unavailing to current difficulties无补时艰
unamortized premiums on bonds sold未摊售出债券溢价
Unamortized discount on bonds sold未摊销出售债券折价