情況：430Please respect copyright.ＰＥＮＡＮＡmnbde3jBCH
光污染太嚴重使得我們看不到星星。430Please respect copyright.ＰＥＮＡＮＡ4CZTqIbR6u
承上：430Please respect copyright.ＰＥＮＡＮＡN5kT2k2vyH
白天我們看不到星星。430Please respect copyright.ＰＥＮＡＮＡQU6V9rbzQf
太陽照亮了整片大地。430Please respect copyright.ＰＥＮＡＮＡUGaBVqfzRJ
題：430Please respect copyright.ＰＥＮＡＮＡ3PwwbC7HbM
太陽光的光線是什麼？
