acute left heart failure

例句：

1. 1. The doctor diagnosed her with a severe case of flu.
   医生诊断她得了严重的流感。
2. 2. He has an acute sense of humor.
   他有很强的幽默感。
3. 3. The patient's condition worsened quickly, requiring immediate attention.
   病人的情况迅速恶化，需要立即关注。