unmixv.(使)不混合(使)无法混合.
UNabbr.(=United Nations) 联合国pron.<口>人,事物,家伙,东西
unparallel balance不对称平衡
uncharged particle不带电粒子
unblanking circuit正程增辉电路
uncultivated field未耕地
Unna's plasma cell无人照管和无家可归儿童
unlicensed hawkers无照小贩
undamaged checking无损检测
unconfirmed rumour未经证实的传闻
unlised securities未上市证券
uncased drill hole无套管钻孔