19> Hanzi = <<"汉字"/utf8>>. <<230,177,137,229,173,151>> 20> io:format("~ts",[Hanzi]). 汉字ok 21> io:format("~w",[Hanzi]). <<230,177,137,229,173,151>>ok22> unicode:characters_to_binary("中国").<<228,184,173,229,155,189>>