Question

月相的形成图是要形成图,不是别化图,我是上课用的,要能解释月相是怎么发生的图

Answer 1

http://photo.163.com/photos/maggiejiang1978/4313434/

http://photo.163.com/photos/sjlilei/3814240/

http://photo.163.com/photos/michelle_g/2684950/

http://photo.163.com/photos/drquest/1750780/19900507/

http://photo.163.com/photos/iamif/214641/

http://photo.163.com/photos/qbi_1v173/846686/#p2