base on还是be based on

base on还是be based on base on/be based on be based on & base on base on还是based on be base on和based on base on 和be based on 请专家回答base on & be based on base on 和be based on的区别 be based on与base on的不同 What was your invention ____?base on 还是based on? 过去分词是based on 还是base on 为什么be based on 和base on意思一样而不是be base on和base on的意思一样?be bas