来自《耶鲁大学开放课程：心理学导论 第6集 第6集》
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is that since children start learning their first words儿童从一岁左右 -
at about their first year of life,学习第一个词开始 -
they learn about nine new words a day.每天学会九个新词 -
And it's not a continuous nine words every day.并不是连续的每天学会九个词 -
It goes up and down depending on the age.学会的词量随着年龄有所起伏 -
But still, the amount of words we know is staggering.但我们所掌握的词量依然令人吃惊 -
How many of you know more than one language pretty fluently?你们有多少人能熟练掌握不止一门语言 -
Those of you who know other languages你们当中掌握其他语言的人 -
might have in your heads 200,000 words or 300,000 words可能会在头脑中记住两万到三万个词 -
and you're accessing them in a fraction of a second.你们能在瞬间运用它们 -
It is--could legitimately be seen这可以被合理地看做 -
as one of the most astonishing things that people do.是人类所做出的最惊人的事情