fixation phenomenon

例句：

1. 1. The patient's behavior was a classic example of fixation.
   患者的举止是典型的固定现象。
2. 2. The researcher found the fixation phenomenon to be a significant factor in the success of the project.
   研究者发现固定现象是项目成功的重要因素。
3. 3.The child's fixation on toys can lead to poor social skills.
   孩子对玩具的过分依恋可能导致社交技能的欠缺。