And these investigators claimed this is because they had been exposed to French in the first four days of their lives.

这些研究者宣称,这是因为他们在出生的头四天里,暴露在了法语环境中

耶鲁公开课 - 心理学导论课程节选

We practice six days a week, usually, you know, three to four hours a day,

通常我们每周练习六天，你知道，每天三到四个小时，

赛艇项目很流行 - SpeakingMax英语口语达人

For four days, the three of them fed on the body and blood of the cabin boy.

整整四天，他们三个,靠派克的尸体和血液为食。

耶鲁公开课 - 公正课程节选

At some point, maybe a week later, four to eight days later, you would start to see antibody levels rise.

之后,或许一周之后,四天到八天之间,就可以看到抗体的浓度开始上升

耶鲁公开课 - 生物医学工程探索课程节选

What you'll do is every day for the next 30 days give me one cent, next day two, four, eight and so on.

你们要做的是在未来30天给我一分钱，第二天二分，然后是四分，八分，以此类推。

哈佛公开课 - 幸福课课程节选

There's twenty-one days, there's thirty days, there's twenty-four hours. Now look at this!

有二十一天法,三十天法,二十四小时法,还有这个

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

But I can't go back to what it was like in the early days, just like you can't go back to what it was like to be four or three.

但再早之前的事情就记不得了，就像你想不起你三四岁时候的事情一样。

耶鲁公开课 - 死亡课程节选

In the early days when there are four or five formulas, you could memorize all of them and you can try each one of them until something works, but after a couple of weeks you will have a hundred formulas and you cannot memorize all of them.

刚开始我们只会涉及到四,五个公式,你可以全部记下来,你可以一个一个试,直到解出答案,但过了几个星期,你就已经学了一百多个公式了,你没法全部记下来

耶鲁公开课 - 基础物理课程节选