voice 2: As baby John grows older he will begin to form words. What will John's first words be? Who used those words when he was present? Where were they when the person used those words? What was John doing when he learned the words? Researchers will be able to look through their computer records for the answers to these questions.
声音2：随着婴儿约翰逐渐长大，他会开始构词。那约翰说出的第一句话会是什么？谁曾在约翰旁边用过这些单词？当那个人用这些词时他们在哪里？约翰学会这些词时在做什么？研究人员将能在电脑记录中寻找这些问题的答案。
