polar lights

• n. 极光(指北极光或南极光)

polar lights的用法和样例：

例句

用作名词 (n.)

1. The northern lights, or aurora borealis, are powered by energy from outer space.
   北极光，或者北边的极光，它的能量来自于外太空。
2. An inexplicable new broad region of auroral light has been photographed at Saturn's polar cap.
   一种无法解释的大范围新型极光出现在土星的极盖地区，被摄像机拍摄下来。