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

This is the first time I've ever done that before.

这是我第一次这么做。

I'm frustrated 实战 - SpeakingMax英语口语达人

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 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

I was going to say when you first start doing this, even people who have been doing it for a long time still go off on ten-minute daydreams before realizing that their minds were wondering.

我本想说第一次尝试时，但即便是修行多年的人,也会走神十分钟之久,方才意识到自己刚做了白日梦。

普林斯顿公开课 - 人性课程节选

Excavations at Jericho and Ai indicate that both of these towns were ; laid waste at least 200 years before the probable time of Joshua; so there weren't even any walls in Jericho at the time of Joshua.

耶利哥和艾城的挖掘都显示这两个城镇,都在约书亚前200年就已被毁损;,因此在约书亚时期，耶利哥根本就没有城墙。

耶鲁公开课 - 旧约导论课程节选

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

They tracked back who sold who shorted and who had sold just before--just at that time.

监管局追查出是谁卖出的,是谁在放消息前卖出股票

耶鲁公开课 - 金融市场课程节选

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

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

Fate will permit no apocalypse before its time, before the necessary and painful steps that have to lead up to the Last Judgment.

命运在来之前不会允许人们去启示别人，必须要自己去经历必要而又痛苦的那几步,才能走向最终的审判。

耶鲁公开课 - 弥尔顿课程节选

We talked about the inevitability of death; we talked about the variability, that people have different lengths of time before they die.

我们讨论过了死亡的不可避免性;,我们讨论过了其可变性，不同的人在他们死之前有所的时间长度不同。

耶鲁公开课 - 死亡课程节选

At that time they would give generous this was before 2003.

那时，他们就可以慷慨的借出,那是在2003年之前。

耶鲁公开课 - 金融市场课程节选

So supposed that I give you 16 elements to sort, well, following the logic before, the running time involved in sorting 16 elements is gonna be twice the running time 16 of sorting 8 elements, left half and right half plus 16 - and again, a little sanity check, 16 means-- just the merge steps, right?

现在要对16个元素进行排序，根据之前的逻辑，对16个元素排序,要花的时间是对8个元素排序所花时间的,2倍，分别用于左半部分和右半部分，再加上6,这里16是-,做合并的步数，对吗？

哈佛公开课 - 计算机科学课程节选

One other remark before we leave this, in the game we played last time, in the investment game, one feature of that game was that the more you thought other people were going to invest, the more you wanted to invest.

在继续讲下面的内容前,我再多说几句,上一讲的投资博弈有一个特征,就是如果你越认为大家会投资,你就越想投资

耶鲁公开课 - 博弈论课程节选

So before long, we'll see, especially for problems that we can't allocate an int every time we want to store something, because what if we want to store 140,000 English words.

所以不久后，我们将看到，特别是对于,我们不能为int分配内存，每次我们想要,存储一些东西时，因为当我们想要,存储140，000个英语单词时。

哈佛公开课 - 计算机科学课程节选

Milton tells himself to run, and naturally he would have to run fast indeed in order to arrive at a moment in time that had already occurred before he even set out!

弥尔顿告诉自己要跑起来了，而且他也确实不得不跑的很快,从而准时到达,他刚出发时就已经存在的目的地！

耶鲁公开课 - 弥尔顿课程节选

Now we know that Milton was blind probably well before the time he began writing Paradise Lost, and therefore, of course, he was then unable to read.

现在我们知道弥尔顿很可能失明了,这早于他开始写《失乐园》的时间，因此，他不能通过眼睛阅读。

耶鲁公开课 - 弥尔顿课程节选