情況：493Please respect copyright.ＰＥＮＡＮＡAaT6EyWDS3
光污染太嚴重使得我們看不到星星。493Please respect copyright.ＰＥＮＡＮＡy9NYhHfmv6
承上：493Please respect copyright.ＰＥＮＡＮＡKGv2Gslj1v
白天我們看不到星星。493Please respect copyright.ＰＥＮＡＮＡzh3qKbExsu
太陽照亮了整片大地。493Please respect copyright.ＰＥＮＡＮＡ40Xyd0721o
題：493Please respect copyright.ＰＥＮＡＮＡs6YZfYpVSZ
太陽光的光線是什麼？
