Piaget may have chosen just the experimental subjects to exacerbate any difference in the cognitive abilities of children of the 1920s and of the present day.是什么意思_Piaget may have chosen just the experimental subjects to exacerbate any difference in the cognitive abilities of children of the 1920s and of the present day.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句