underwent

• Most ovarian follicles undergo an involutional process called follicular atresia .
  大多数卵泡都经过退化变为闭锁卵泡。
• With the influence of the dress her personality had also undergone a change .
  由于衣着的影响，她的个性也跟着起了变化。
• The technique is best applied to the search for deposits undergoing oxidation .
  这种方法最适用于寻找正在遭受氧化的矿床。
• The runway of this airport is undergoing expansion to accommodate large planes .
  这个机场的跑道正在扩建以适应大型飞机起落。
• Veterinary virology has also undergone a rapid expansion during this time .
  在此期间，兽医病毒学也经历了一个迅速发展的过程。
• The sensory system may also undergo long-term adaptation in alien environments .
  感觉系统对陌生的环境可能经过长时期才能适应。
• Ketenes, notably dimethyl ketene, readily undergo oligomerization and polymerization .
  烯酮，特别是二甲基烯酮，很容易齐聚和聚合。
• Bohr and wheeler envisioned that a nucleus may undergo oscillations like a liquid drop .
  玻尔和惠勒设想核子也会象液滴一样经历振动。
• Yet, what i suffered outside was nothing to what i underwent within .
  可是，我肉体上受到的痛苦比起我内心的痛苦来，实在算不得一回事。
• Obviously, if the various bars sustain forces they will undergo extension or contraction .
  很明显，如果各杆受力，就会发生伸长或缩短。