情況：538Please respect copyright.ＰＥＮＡＮＡywSTPu6Ck0
光污染太嚴重使得我們看不到星星。538Please respect copyright.ＰＥＮＡＮＡms4g6awClf
承上：538Please respect copyright.ＰＥＮＡＮＡPndROA1rVM
白天我們看不到星星。538Please respect copyright.ＰＥＮＡＮＡ7eLEH40N7v
太陽照亮了整片大地。538Please respect copyright.ＰＥＮＡＮＡaaxoTQFZYF
題：538Please respect copyright.ＰＥＮＡＮＡDZiG9tDDTI
太陽光的光線是什麼？
