But I know when I multiply a vector by a number, I get a vector in the same direction.

但是我所知道的是当矢量乘以一个常数,我会得到一个同方向的矢量

耶鲁公开课 - 基础物理课程节选

So I know when I was in New York working as an intern I would go there every week

所以我在纽约当实习生的时候就知道，我每个礼拜都会去那里。

关于购买艺术品 - SpeakingMax英语口语达人

How do I know when I'm done with the loop?

我怎么知道循环完毕了呢？

麻省理工公开课 - 计算机科学及编程导论课程节选

How do I know when I've got this one or this one?

我怎么知道我找到的是什么细胞呢

耶鲁公开课 - 生物医学工程探索课程节选

So it's funny because I know when I go out, my parents, they're oblivious to it all,

这很有趣，因为我父母平时都不会察觉那些问题，

旧金山的调酒师 - SpeakingMax英语口语达人

So not that I know what the classics are, but I know when I see it.

我并不是很懂古典艺术，但看到的时候我能分辨出来。

喜欢毕加索吗？ - SpeakingMax英语口语达人

I know not what the younger dreams-- Some vague Utopia--and she seems, When withered old and skeleton-gaunt, An image of such politics.

我不知年幼者梦想什么-,某种模糊的乌托邦--她仿佛，当枯萎衰老瘦骨嶙峋的时候，这类政治的一个鬼影。

耶鲁公开课 - 现代诗歌课程节选

Something I can measure and I can tabulate, and when I turn my dT knob here I know what's going to happen to the enthalpy.

----热容，我们可以用实验，测出热容并成表,当我知道这里的变量。

麻省理工公开课 - 热力学与动力学课程节选

So, I don't even have to worry because you're not writing this down, so I can just fix it when I post the notes and no one will ever know, except that this is not OpenCourseWare.

所以我甚至不用担心,因为你们不会把这个写下来，所以我可以在我给出讲义的时候再修改,而且不会有人知道，但除非这不是公开课。

麻省理工公开课 - 化学原理课程节选

How do I know that that's an absolute pass, though? Well, when we set the exams, we set the tests, I sit with my TA's and we say, all right, let's work out the point scheme on this question.

我怎么知道会是绝对的通过呢，我们制定考试，我们制定测试题，我和助教坐在一起，我们说，好吧，让我们一起来设定这道题的分值。

麻省理工公开课 - 固态化学导论课程节选

I don't know about that. I am not so sure." But then, we realized that like when we walk out that door, it's the whole world again. So you get sucked up by your group, by your sort of identity.

我不知道，不是很确定，然后呢，我们就意识到走出那个大门，又是一个完整的世界，所以你就会,被你的团体，你的身份所束缚。

普林斯顿公开课 - 人性课程节选

They didn't know I was going to ask them the question, so I think they are really thrilled when they see their kids making it.

他们不知道我正要,问这个问题，所以当他们看见自己孩子制作的地图,感到很激动。

麻省理工公开课 - 媒体、教育、市场课程节选

I know they might have told you that when you came, but you've learned differently,haven't you?

也许你们刚入学时，是这么听说的，但你们应该已经发现不同了，是吧？

耶鲁公开课 - 新约课程节选

So I start by trying to strip off the parts of my conscious life that I know I won't have when I'm dead.

所以我决定开始剥离那些,我知道死后不会有的,有意识的生活的各个部分。

耶鲁公开课 - 死亡课程节选

We want to know how much force it exerts when I pull it by a certain amount.

我们想知道当我们将弹簧拉伸一定量时,它能产生多大的力

耶鲁公开课 - 基础物理课程节选

Well, it wouldn't have been automobile loans when these were created; I don't know, something loans, etc.

信用合作社成立之初大概还没有汽车贷款,反正诸如此类贷款吧

耶鲁公开课 - 金融市场课程节选