情況：450Please respect copyright.ＰＥＮＡＮＡNOW9L8KE0m
光污染太嚴重使得我們看不到星星。450Please respect copyright.ＰＥＮＡＮＡAmM7q8bTrf
承上：450Please respect copyright.ＰＥＮＡＮＡOohmwKXyA5
白天我們看不到星星。450Please respect copyright.ＰＥＮＡＮＡsDPP93k9Yz
太陽照亮了整片大地。450Please respect copyright.ＰＥＮＡＮＡt47gzpdsYM
題：450Please respect copyright.ＰＥＮＡＮＡAgInniVxVV
太陽光的光線是什麼？
