亿年前,有一颗蔚蓝色的星球诞生在浩瀚的宇宙中,她是那样的美丽:她拥有清澈见底的河流;她拥有葱翠挺拔的乔木;她拥有一碧万顷的山林;她更拥有那蓝蓝的天、白白的云……这一切的一切都显得那么的美好,鸟儿在天空中欢快地飞翔着,时不时发出清脆而又响亮的歌声,在那 Billion years ago, a blue planet was born in the vast universe, she is so beautiful: she has a crystal clear river; she has a verdant tree; she has a million hectares of forest; she even has that Blue sky, white clouds ... all of this seems so beautiful, the birds flying in the sky with joy, from time to time issued a crisp and loud voice in there