But whereas the other one was obviously forever, this allows you to specify a finite number of times that you wanna do something.

但又不同于“无限循环“,你可以根据需要,为它指定循环次数。

哈佛公开课 - 计算机科学课程节选

But get out of yourself, and allows this wonders, this connection to fill you, and lift you up today.

走出你自己，让这些,奇遇，这些联系填充你的身体，来提升今日的你。

普林斯顿公开课 - 人性课程节选

Realize that there's this wonderful mechanism in place that allows you to put your toe in the water for several weeks no less and then get a sense, and then decide whether or not this is something for you.

要知道这种好的评分体制哈佛也有,在这种机制下你可以先试听几周,熟悉这一机制，然后再决定这是否适合你。

哈佛公开课 - 计算机科学课程节选

This diagram here sort of allows me to walk you through some of the terminology of this stem cell development and talk about these concepts.

这张图让我能跟你们一起,走马观花地看看干细胞发展中的术语,探讨一下这些概念

耶鲁公开课 - 生物医学工程探索课程节选

Scratch This Boolean expression allows you to say to scratch if you are touching the mouse pointer, the little arrow, do something. How do we do something?

布尔表达式允许你告诉,当你触碰到鼠标指针，也就是小箭头，程序就相应地做一些事情？

哈佛公开课 - 计算机科学课程节选

The main function of all your cells, and all your tissues, and all your organs is to maintain this homeostasis, which allows you to live in a changing environment.

你所有细胞,所有的组织,所有的器官最主要的功能,就是维护这个内稳态,使你能够以不变应万变

耶鲁公开课 - 生物医学工程探索课程节选

This diagram is supposed to make you think about the intestinal tract, this tube that runs through our bodies and allows us to acquire nutrients from the environment.

这幅图意在,让你们考虑一下肠道,这个贯穿我们身体的管道,使我们能够从环境中吸收营养

耶鲁公开课 - 生物医学工程探索课程节选

Odds are if you're an upperclassman, you've had that experience where it's 12 AM, 1 AM, 2 AM, and you're really starting to stress over the incompletion of some problems that for some course, well frankly what this mechanism allows you to do if you're already 90 percent of the way there, you can call it a night and you can put it down and you could feel good nonetheless about where you got to.

对于上游的同学可能觉得无趣，因为他已经具备了这些经验，这时应该开始关注某些课程中,问题的不完整的部分，如果你已经学会了,里面90%的知识，你可以停工,或者把这门课扔到一边。

哈佛公开课 - 计算机科学课程节选

So it turns out there's a solution to this: If you need more precision, more digits after the decimal point than a float allows, what do you go for instead?

所以这里有一个解决方案：,如果你需要比float类型允许的更高精度，小数点后更多位数,那你该用什么取代它？

哈佛公开课 - 计算机科学课程节选

So putting back that prototype allows me to compile this, because I'm saying proactively to the compiler hey, you're going to see a function called increment.

把那个原型放回原处使我能够编译它，因为我提前向编译器打了招呼，将看到一个叫做increment的函数。

哈佛公开课 - 计算机科学课程节选

We own our own phone number, that allows you to input key strokes like you would any system and this is an example of what we call CS50 Voice.

我们都有电话号码，这就让我们可以输入任意的数字,然后这是CS50，Voice的一个例子。

哈佛公开课 - 计算机科学课程节选