perturbative function

例句：

1. 1. The news of the accident was perturbative for everyone involved.
   事故的消息让所有相关人员都感到不安。
2. 2.The sudden change in weather caused a perturbative effect on the crops.
   天气的突然变化对农作物产生了不良影响。
3. 3.The novel's plot was perturbative enough to keep readers engaged until the very end.
   这部小说的情节足以让人保持兴趣，直到最后。