disease diagnosis

例句：

1. 1. Diagnosing the disease early is crucial for effective treatment.
   早期诊断疾病对于有效治疗至关重要。
2. 2.The doctor performed a thorough examination before making a diagnosis.
   医生在做出诊断前进行了彻底的检查。
3. 3.Diagnosis can be difficult, but with proper testing, we can make an accurate determination.
   诊断可能很困难，但通过适当的测试，我们可以做出准确的判断。