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1. Oxford American Dictionary

   light pollution

   • IPA[līt pəˈlo͞oSHən]

   美式

   • n.
     brightening of the night sky caused by street lights and other man-made sources, which has a disruptive effect on natural cycles and inhibits the observation of stars and planets

   • noun: light pollution

2. • 釋義

   n.

   名詞

   • 1. brightening of the night sky caused by street lights and other man-made sources, which has a disruptive effect on natural cycles and inhibits the observation of stars and planets for many astronomers light pollution has been a disaster
3. • 更多解釋

   light pollution

   英式

   • n.
     brightening of the night sky caused by street lights and other man-made sources, which has a ... for many astronomers light pollution has been a disaster

   Oxford Dictionary