or much in the way of feedback.

无需经过课堂作业或者太多的反馈
How do they accomplish this remarkable feat?

他们是如何完成这个难以置信的壮举呢
Well, this is a question that has interested scientists

这就是自达尔文用日记记录他的幼儿牙牙学语以来
at least since Charles Darwin kept a diary

科学家一直很感兴趣的问题
of the early language of his infant son.

他观察到人趋向张嘴说话是一种本能
He observed man has an instinctive tendency to speak

正如我们所知巴别塔中的孩子
as we see in the babel of young children.

自此以后
Much has been learned since then,

我们了解了更多
but today I'd like to focus on some recent studies from my lab

但今天想谈的是我实验室的最新研究
on the acquisition of past tense irregular verb forms

介乎18个月至两岁半的孩子
in children between the ages of 18 months and two and a half years.

对不规则动词过去式的习得
Now, you may say that this falls into the great academic tradition

这时你可能说对越来越少的事物了解得越来越多