天体演化学 tiān tǐ yǎn huà xué

DEFINITIONS

  1. cosmogony

CHARACTERS

天 tiān sky, heaven; god, celestial
体 tǐ body; group, class, body, unit; inferior
演 yǎn perform, put on; exercise
化 huà change, convert, reform; -ize
学 xué learning, knowledge; school