upheaval

名词 upheaval:

1. a state of violent disturbance and disorder (as in politics or social conditions generally)
   同义词：turbulence, Sturm und Drang
2. a violent disturbance
   同义词：convulsion, turmoil
3. (geology) a rise of land to a higher elevation (as in the process of mountain building)
   同义词：uplift, upthrow, upthrust
4. disturbance usually in protest
   同义词：agitation, excitement, turmoil, hullabaloo

1. The prediction or expectation of cataclysmic upheaval, as in political or social developments.
   巨变的预测如在政治或社会发展中对剧烈变动的预测或预期
2. The French Revolution was a volcanic upheaval in European history.
   法国大革命是欧洲历史上的火山爆发。