Unraun.昂劳
UNabbr.(=United Nations) 联合国pron.<口>人,事物,家伙,东西
Unemployment has gone up slowly.失业率上升缓慢。
unbonded prestressed concrete beam无粘结预应力混凝土梁
undeniably beautiful/impressive公认地美丽/感人
Undecaprenyl-diphosphate synthase十一异戊烯二磷酸合酶
unregistered religious institutions未注册的宗教机构
uncooled infrared thermal equipment非制冷红外热像仪
unwavering support/determination坚定不移的支持/决心
unbalance in rights and liabilities权责失衡