![EachIndiantribehadadifferentlanguage.ManyIndiansneverle...]( "EachIndiantribehadadifferentlanguage.ManyIndiansneverle...")
- 问题详情：EachIndiantribehadadifferentlanguage.ManyIndiansneverlearnedanylanguagesexcepttheirown.DoyouknowhowIndiansfromdifferenttribestalkedtoeachother?Theyhadtwowaystotalkwithoutsound.Onewaywasbysignlanguage;anotherwaybysignals. Signlanguageisaw...
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