情況：528Please respect copyright.ＰＥＮＡＮＡD0tC7VV4z6
光污染太嚴重使得我們看不到星星。528Please respect copyright.ＰＥＮＡＮＡlFY8OSdWN1
承上：528Please respect copyright.ＰＥＮＡＮＡXaIye4hE2s
白天我們看不到星星。528Please respect copyright.ＰＥＮＡＮＡrHwwL52iNZ
太陽照亮了整片大地。528Please respect copyright.ＰＥＮＡＮＡa6i2qplm8a
題：528Please respect copyright.ＰＥＮＡＮＡnbFrpUxkoQ
太陽光的光線是什麼？
