英语翻译
Anyattempttotracethedevelopmentfromthenoisesbabiesmaketotheirfirstspokenwordsleadstoconsiderabledifficulties.Itisagreedthatveryenjoymakingnoises,andthatduringthefirstfewmonthsoneortwonoisessortthem-selvesoutasparticularlyindicativeofdelight,distress.sociability,andsoon.Butsincethesecannotbesaidtoshowthebaby'sintentiontocommunicate,theycanhardlyberegardedasearlyformsoflanguage.Itisagreed,too,thatfromaboutthreemonthstheyplaywithsoundsforenjoyment,andthatbysixmonthstheyareabletoaddnewsoundstotheirrepertoire(能发出的全部声音).Thisself-imitationleadsontodeliberateimitationofsoundsmadeorwordsspokentothembyotherpeople.Theproblemthemarisesastothepointatwhichonecansaythattheseimitationscanbeconsideredasspeech.