disimprove

例句：

1. 1. The air quality hassignificantly disimproved since the implementationof the new regulations.
   自从实施了新的法规，空气质量已经显著恶化。
2. 2. The company's financial condition has been disimproving for several years.
   该公司的财务状况已经连续几年恶化。
3. 3. The research team foundthat the product had a tendency to disimprove over time.
   研究团队发现该产品有随时间恶化的趋势。