ungayn.非同性恋的; 非同性恋者UNabbr.(=United Nations) 联合国pron.<口>人，事物，家伙，东西unexpired insurance未到期保险unrecorded expenses未入帐费用unbalance quotation不平衡报价unfavorable balance贸易逆差unregulated polymer无规聚合物uncontrollable spin不可控制的螺旋un-lowered boxcar车厢未落unrecoverable ABEND不可恢复的异常结束unbalanced hoisting不平衡提升undisputable adj.无可置疑的;