Raynaud phenomenon

例句：

1. 1.Raynaud's phenomenon is a condition that causes numbness in fingers and toes when the blood flow is reduced.
   雷诺现象是一种当血流减少时导致手指和脚趾麻木的状况。
2. 2.She developed Raynaud's phenomenon after a long flight.
   长途飞行后，她患上了雷诺现象。
3. 3. The doctor diagnosed her with Raynaud's phenomenon and prescribed medication to help her manage it.
   医生诊断出她患有雷诺现象，并开了药来帮助她管理。