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unrevolution type drawing workpiece非旋转类拉深件uncontrolled nuclear transformation无控核变化