Unnes温内斯UNabbr.(=United Nations) 联合国pron.<口>人，事物，家伙，东西uncorrelated sample不相关样本unbalance influence不平衡影响unguentum perniosis冻疮软膏uncultured bacteria不能培养细菌unremitted earnings未汇出收益unmasticated rubber未塑炼生胶unquoted securities非挂牌证券unbraced shuttering无支承模板unconventional trap非常规圈闭unbalance operation不平衡运行