Other days I may finish a few minutes before time.

有时候我会早点下课

耶鲁公开课 - 基础物理课程节选

so she can have time to practice before her kids get up,

这样她就可以在孩子们起床之前抽时间练习。

和钢琴老师 - SpeakingMax英语口语达人

What was neat about it is before that time, the predominant species to use for air conditioning or refrigeration was ammonia.

在这之前是很整洁的，之前最主要的用于空调或者冰箱的,物质是氨。

麻省理工公开课 - 固态化学导论课程节选

I want to spend some time on that until we talk about-- before we talk about development of the polio vaccine.

我想多花些时间讨论这个问题,在我们讨论,在我们讨论脊髓灰质炎疫苗的发展之前

耶鲁公开课 - 生物医学工程探索课程节选

It's often fanciful; it relates imaginatively events which it claims Happened in historical time, not in a primordial realm before time, And a myth is designed to explain some kind of practice or ritual or custom or natural phenomenon.

它常常天马行空，关乎一些想象中的事件,它们发生在有历史记载的时期，不是在史前原始王国，所以杜撰故事一般都是来解释一些惯例,或者仪式和风俗或者自然现象。

耶鲁公开课 - 旧约导论课程节选

It turns out that slightly before the stack, slightly before this conceptual chunk of memory, there's other things called environment variables that we may see over time but elsewhere in memory are other things.

结果是稍微在堆之前，稍微在这个内存块概念之前，另外还一个东西叫做环境变量,我们之后可能看到，内存中的其他地方,是其他的东西。

哈佛公开课 - 计算机科学课程节选

If you never meditate before, this is a wonderful opportunity to do it for the first time.

如果你从没冥想过，这是你们尝试的好机会。

哈佛公开课 - 幸福课课程节选

And then I'd wander in, we'd typically visit for the rest of that time before 7:30.

然后我就走进办公室，一般在7：30之前,都会一直谈话。

普林斯顿公开课 - 国际座谈会课程节选

If you go back to the time before that, we talked about this partnership game.

再往前回顾一下,我们之前还讲过合伙人的博弈

耶鲁公开课 - 博弈论课程节选

for exam 2, you still need to know and understand everything you learned in exam 1, but you can put off learning it completely until we get through, at least, next Wednesday before we start maybe spending time on these concepts outside of class.

为了掌握第二次考试的内容，你仍然需要知道和理解,在第一次考试前所学的全部知识，但是你可以先放一放，等到我们进行到，至少在下周三我们可能开始不在课堂上,讲这些内容之前。

麻省理工公开课 - 化学原理课程节选

The antiquity of a law alone is no justification for its usage. Aristotle seems to reject you might say Burkean conservatism long before the time.

法律的古老性不能作为其用法的借口,亚里士多德似乎事先拒绝,你可能会说柏克式的保守主义,古老与传统并不能。

耶鲁公开课 - 政治哲学导论课程节选

And what we find, the first example of a Bronze Age-- and I use the word civilization now for the first time, because before the Bronze Age-- there is nothing that we would define as civilization.

我们发现的第一个文明出现在青铜时代,也是我第一次用文明这个词,因为在青铜时代之前,没有任何东西能称之为文明

耶鲁公开课 - 古希腊历史简介课程节选

We never sell the wine before its time, something like that. On television, in different acting roles, he would take any worthless role in somebody's movie just because there was such a large fee, and he will pour that into his movies.

之前人们对这种酒闻所未闻，在电视上，在饰演,不同的角色时，他在一些电影中做不起眼的角色,因为这可以,赚到一大笔钱，然后可以投到自己的电影中。

麻省理工公开课 - 电影哲学课程节选

You've got to spend the time to make sure that everything is well defined before you start trying to work out these problem More about the path. There are a couple ways you could go through that pass If I look at this smooth path here.

你要花时间确认,在你开始尝试解题前,切已经被很好地定义,关于路径还有些问题,你可以用两种不同的方式经过这条路径,看这条平滑的路径。

麻省理工公开课 - 热力学与动力学课程节选

If that's all it knows, then in that scenario there is no building or anything else; it continues a trajectory both forward in time and backward in time, and it says that whatever seconds, one second before you set your clock to 0, it would've been on the ground.

如果是这样,在那种模式下,没有楼房或者别的什么,物体的运动轨迹可以沿时间可以向后延伸,也可以向前延伸,不管时间取什么值,在零点前一秒时,物体就在地面上

耶鲁公开课 - 基础物理课程节选

I've never given them money before. Except for one time,

我之前也从未给过他们钱，就那一次。

不做善事的理由 - SpeakingMax英语口语达人