关于Inthepastwhen的百科

• Peoplehavealwayscommunicatedwith    1    .Inthepastwhen...

• 问题详情：Peoplehavealwayscommunicatedwith    1    thepastwhentheycouldn'twrite,theyusedsimplesymbols(记号)tosendtheirmessages.SomegroupsofNorthAmericaIndianswereexperts    2    messages.Forexample,asmallstoneontopofalargeonemeant“Thi...
• 2019-04-2121880