White says it's a critical period in which hunter-gatherers gave way to farmers.

怀特表示，那是狩猎-采集者让位给农民的关键时期。

So the question is: What's happening during this critical two-month period?

问题是，在这两个月的关键时期发生了什么？

We know this is the critical period for sound development, but what's going on up there?

我们知道这是辩声能力发展的关键时期，但是究竟发生了什么？

The fact that language involves both types of functions while lateralization develops gradually with age, has lead to the critical period hypothesis.

事实上，语言和左右脑两边的功能都有关连，随着年纪增长，大脑发展会侧重一边，这是关键期假说的来由。

For this winter truffle, the critical period for it is other summer months.

对于这个冬季松露来说，它的关键时期是其他夏季月份。

White says it's a critical period in which hunter-gatherers gave way to farmers.

怀特说，这是一个关键时期，狩猎采集者让位于农民。

Today we have learned the five critical periods of English language.

今天我们学习了英语的五个关键时期。

There are five critical periods in the survival of the English language.

英语的生存有五个关键时期。

Now, you're probably wondering why there is a critical period in the first place.

现在，您可能想知道为什么首先要有一个关键时期。

And the same effects have also been shown when learning sign language after the critical period.

在关键期后学习手语时也显示出相同的效果。

The next five years serves as a critical period for China as it makes a crucial transition.

未来五年是中国转型的关键时期。

It appeared that Genie had passed the critical period of learning human language, which is thought to end around puberty.

看来精灵已经过了学习人类语言的关键期，也就是认为在青春期左右结束。

These indings may seem discouraging, but it was heartening for scientists to learn that the critical period for fluent language acquisition might be longer than they previously thought.

尽管看似有些让人泄气，但让人欣慰的是，科学家们发现，语言习得的关键时期可能比他们之前认为的要长。

DIANA DEUTSCH: That might, in fact, be available to any individual provided they're given the right exposure at a critical period.

戴安娜·多伊奇：事实上，只要他们在关键时期获得正确的曝光率，任何人都可以获得这种机会。

Work in my lab is focused on the first critical period in development, and that is the period in which babies try to master which sounds are used in their language.

我的实验室里工作的重点就是发育的第一个关键时期，在这个关键时期，婴儿试图掌握在他们的语言中用到的音。

Language may have a critical period, but some actions may still be possible to learn through observation no matter the age they're introduced.

语言可能有一个关键期，但有些动作无论在什么年龄段出现，仍然可以通过观察来学习。

So Israel was, in effect, blind to the attack for the critical period of time it would have taken to respond in a timely way.

因此，以色列实际上在关键时期对这次袭击视而不见，以至于需要及时做出反应。

We think, by studying how the sounds are learned, we'll have a model for the rest of language, and perhaps for critical periods that may exist in childhood for social, emotional and cognitive development.

我们认为，通过研究声音是如何习得的，我们将建立一个适用于语言其他方面的模型，也可能适用于儿童时期可能存在的社交、情感和认知发展关键时期的模型。

According to Eric Lenneberg, the linguist who popularized the critical period hypothesis, the function of language tends to settle in the left hemisphere of the brain after the critical period.

根据推广关键期假说的语言学家埃里克·伦内伯格（Eric Lenneberg）的说法，在关键期之后， 语言的功能往往会稳定在大脑的左半球。

Some scientists think that MDMA may help reopen up what's called a " critical period" in the brain, like we experience during childhood when we're learning new things.

刘易斯：一些科学家认为摇头丸可能有助于重新开启大脑中所谓的“关键期”，就像我们在童年学习新事物时所经历的那样。