occurring

• Diffraction, too, occurs in light waves .
  衍射也是由光波产生。
• Prominences occur in a variety of forms .
  日珥以各种形状出现。
• Nothing had occurred to mar this trip .
  没有什么事破坏这次旅行的圆满成功。
• Such occurs with the patient of colonic carcinoma .
  此情况见于结肠癌病人。
• It never occurred to her to ask anyone .
  她从未想到问问别人。
• Epithelial tissue occurs most commonly in sheets .
  上皮组织通常是层状结构。
• It then occurred to her to employ him in reading .
  于是她想起让他来读书了。
• Such instances occur in nature .
  这种情形，在自然界确有发生。
• A startling idea had occurred to him .
  一个令人吃惊的想法出现在他的脑海里。
• Many nematodes occur in the tissues of earthorms .
  蚯蚓组织中有许多种线虫。