black shortness

例句：

1. 1. The patient's condition worsened significantly after the surgery.
   手术后，患者的病情明显恶化。
2. 2. The dark clouds were a sign of impending rain.
   乌云预示着即将下雨。
3. 3. The black shortness in his eyes made him feel uneasy.
   他眼中的黑色短缩让他感到不安。