She is fixating on her appearance too much lately.

她最近过于固定在自己的外貌上。

The child was fixating on the bright colors of the toy.

孩子固定在玩具的亮丽颜色上。

He keeps fixating on the same mistake he made last week.

他一直在固定在上周犯的同一个错误上。

Instead of fixating on the problem, try to find a solution.

与其固定在问题上，不如试着找解决方案。

He needs to stop fixating on the negative aspects of his job.

他需要停止固定在工作中的负面方面。

Why does everyone keep fixating on that?

为什么每个人老是提它?

Fixating on a static foreground stimulus while moving. however, is rather unnatural and cumbersome.

牢固正在一个静态的远景刺激而打动。

Methods PS was fixed with the method of vascular perfusion fixation and block fixating of lung (PS compound fixation).

方法采用血管灌注固定加组织块固定相结合的方法（简称PS复合固定法）。