航空航天 hángkōnghángtiān aerospace Definitions Defs Origin Strokes Stroke Words Sentences Sents 航空航天 hángkōnghángtiān aerospace noun the branch of technology and industry concerned with both aviation and space flight 鸟类和航空航天工程师有什么共同之处？ niǎolèi hé hángkōnghángtiān gōngchéngshī yǒu shénme gòngtóng zhī chù? What do birds and aerospace engineers have in common?
航空航天 hángkōnghángtiān aerospace noun the branch of technology and industry concerned with both aviation and space flight 鸟类和航空航天工程师有什么共同之处？ niǎolèi hé hángkōnghángtiān gōngchéngshī yǒu shénme gòngtóng zhī chù? What do birds and aerospace engineers have in common?
