情況：527Please respect copyright.ＰＥＮＡＮＡDUnKmBS1gF
光污染太嚴重使得我們看不到星星。527Please respect copyright.ＰＥＮＡＮＡgjQIyu9iki
承上：527Please respect copyright.ＰＥＮＡＮＡRa2wMGffUS
白天我們看不到星星。527Please respect copyright.ＰＥＮＡＮＡ4RMhkWYelT
太陽照亮了整片大地。527Please respect copyright.ＰＥＮＡＮＡ7ECIzROaKO
題：527Please respect copyright.ＰＥＮＡＮＡx6CXT8ncqd
太陽光的光線是什麼？
