intermittent heating

例句：

1. 1. The intermittent rain made it difficult for us to finish the work on time.
   间歇性的雨让我们很难按时完成工作。
2. 2.The patient was intermittently conscious and showed no signs of distress.
   病人间歇性地保持意识，没有显示出痛苦的迹象。
3. 3.The intermittent light from the street lamps illuminated the path we were walking.
   街道上的路灯间歇性地照亮了我们正在走的路径。