underwent

• The criminal is undergoing torture .
  犯人在受刑。
• I might undergo mutilation .
  我可能要受金刃之伤。
• For 40 years this device underwent constant improvement .
  四十年来，这个器件不断得到改进。
• Some of the excited atoms undergo radiative deexcitation .
  某些受激的原子会发生辐射性退激。
• Their financial environment has undergone a drastic change .
  他们的财政状况发生着巨大变化。
• The design of the spacecraft is undergoing extensive modification .
  航天器的设计正大加修改。
• Proctitis is common in patients undergoing pelvic radiation therapy .
  直肠炎常见于骨盆放射治疗的病人。
• Fruit processing will no doubt undergo considerable future expansion .
  毫无疑问，果品加工也将大大发展。
• Endothelial cells proximal to the injury undergo rapid mitosis .
  近损伤部位的内皮细胞进行迅速的有丝分裂。