情況：449Please respect copyright.ＰＥＮＡＮＡrzxQcOZZwY
光污染太嚴重使得我們看不到星星。449Please respect copyright.ＰＥＮＡＮＡuATia9AXvd
承上：449Please respect copyright.ＰＥＮＡＮＡzq1ESncwEZ
白天我們看不到星星。449Please respect copyright.ＰＥＮＡＮＡMnuxzWE8jX
太陽照亮了整片大地。449Please respect copyright.ＰＥＮＡＮＡ72BY4dI6pz
題：449Please respect copyright.ＰＥＮＡＮＡancOBkIjOM
太陽光的光線是什麼？
