chronic wasting disease

例句：

1. 1. Chronic wasting disease is aserious threat to the environment and wildlife.
   慢性消耗病对环境和野生动物构成了严重威胁。
2. 2.The discovery of this disease has led toincreased efforts to prevent its spread.
   这种疾病的发现促使人们加大努力来防止其传播。
3. 3.Many farmers have been affected by chronic wasting disease, leading to reduced productivity.
   许多农民受到了慢性消耗病的影响，导致生产力下降。