In this episode , professor robert winston explores how we develop the art of speech and body language to make ourselves understood and to understand others 我们会探访现年已经3岁的千禧小朋友，看看他们现在的说话能力，爱说话的小孩与沉默的小孩有什麽分别，以及对他们成长时的影响。
The conversation was general and animated , thanks to the voice and the little downy lip , that flew up and down over the white teeth of the little princess . she met prince vassily in that playful tone so often adopted by chatty and lively persons , the point of which consists in the assumption that there exists a sort of long - established series of jokes and amusing , partly private , humorous reminiscences between the persons so addressed and oneself , even when no such reminiscences are really shared , as indeed was the case with prince vassily and the little princess 大家都兴致勃勃地谈着一般的话题，这多亏矮小的公爵夫人的动听的嗓音和她那翘在洁白的牙外面的长着茸毛的小嘴唇，她用爱说话的快活人常用的戏谑方式接待瓦西里公爵，使用这种方式的先决条件是，交谈者之间具有一套早已定型的笑话，以及令人愉快的不为尽人皆知的可笑的回忆，而在事实上这种回忆是没有的，矮小的公爵夫人和瓦西里公爵之间也没有这样的回忆。
