单词：polar light
polar light的用法和样例：
例句
- 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。
- All tubes also remain perfectly flexible so that in polarized light applications the microscope table can still be rotated.所有的连接管保持柔性，保证在偏光下使用时，显微镜载物台仍然可以旋转。
- The hair showed a trichoschisis-like pattern at light microscopy and alternate banding at polarizing microscopy.她的头发异常为在光学显微镜下似毛发分段之表现，并在偏光显微镜下呈现交替带状型态。
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