情況：456Please respect copyright.ＰＥＮＡＮＡn5o9Cj8loN
光污染太嚴重使得我們看不到星星。456Please respect copyright.ＰＥＮＡＮＡlBz0oZjEQ2
承上：456Please respect copyright.ＰＥＮＡＮＡ9N3jheOrML
白天我們看不到星星。456Please respect copyright.ＰＥＮＡＮＡTnq5MbXlEp
太陽照亮了整片大地。456Please respect copyright.ＰＥＮＡＮＡOioidfFkB8
題：456Please respect copyright.ＰＥＮＡＮＡyirhyCkqXw
太陽光的光線是什麼？
