deterioration of luminophor

例句：

1. 1. The quality ofthe food has significantly deteriorated sincethe factory closed.
   自从工厂关闭后，食物的质量已经显著恶化。
2. 2. Theold building is showing signsof deterioration due toneglect.
   由于忽视，这座老建筑正在显示出衰败的迹象。
3. 3. Theeconomy is in a stateof deterioration due tothe pandemic.
   由于大流行，经济处于衰败状态。