background luminescence

例句：

1. 1. The forest's background luminescence is a stark contrast to thecity skyline.
   森林的背景发光现象与城市天际线形成了鲜明的对比。
2. 2. The scientistdiscovered that the background luminescence ofthe stars was due to their proximity tothe sun.
   科学家发现，星星的背景发光现象是由于它们靠近太阳造成的。
3. 3. The studyrevealed that the background luminescence ofthe moon could be used to improve navigationsystems.
   研究显示，月亮的背景发光现象可以用来改进导航系统。