Adjective:

1. without braces or props

Unkeln.温克尔(在德国；东经 7º14' 北纬 50º35')UNabbr.(=United Nations) 联合国pron.<口>人，事物，家伙，东西untensioned reinforcement无受力钢筋unmanned aircraft vehicle无人机unbonded prestressed slab无黏结预应力平板untransferable technology不可转让的技术ungrounded neutral system[电] 中线不接地系统undeformed chip thickness未变形切屑厚度unearned premium reserves未满期责任准备金uncultured microorganisms未培养微生物unreckonable distances.无法计算的距离unbalanced classification不均衡分类