情況：446Please respect copyright.ＰＥＮＡＮＡ6hPf42COTj
光污染太嚴重使得我們看不到星星。446Please respect copyright.ＰＥＮＡＮＡX5cevTt3rx
承上：446Please respect copyright.ＰＥＮＡＮＡXekf9HuWWs
白天我們看不到星星。446Please respect copyright.ＰＥＮＡＮＡZxREr1CuU5
太陽照亮了整片大地。446Please respect copyright.ＰＥＮＡＮＡMIBoWZmnOe
題：446Please respect copyright.ＰＥＮＡＮＡ3yQAvbHc9A
太陽光的光線是什麼？
