1. New study finds memory improved by vocalising or sub-vocalising words. 新的研究发现证实声读或者默读单词都会有效提高记忆。
2. By six months, he was vocalising real words, and at one year, he was speaking in two and three-word sentences. 六个月大的时候,他就能说出单词。一岁的时候,他就已经可以讲两个或三个单词的句子。