1. 浮力：upsilonparticle 粒子 | upthrust 浮力 | uquark 上夸克

2. 仰冲断层：upthrown fault block 上升断块 | upthrust 仰冲断层 | uptime 正常运行时间

3. 上冲断层：upthrow fault 上投断层 | upthrust 上冲断层 | upwarping 向上挠曲

4. 冲上：upthrow 上抛 | upthrust 冲上 | uptight 紧张的

noun

1. (geology) a rise of land to a higher elevation (as in the process of mountain building)

    Synonym: upheavalupliftupthrow