These two relations involving entropy are also useful because they'll let us see how entropy depends on volume and pressure.

这两个涉及熵的关系也非常有用,因为他们告诉我们,熵和体积，压强的关系。

麻省理工公开课 - 热力学与动力学课程节选

If I were" is useful for talking about things that you hope for, things that you imagine to happen,

If I were”在谈论你渴望的事情和想象会发生的事情时非常有用。

If I were 课堂 - SpeakingMax英语口语达人

You got cholesterol, sodium, carbohydrate here, broken down as fiber and sugars, and that's very helpful information to know.

这里还有胆固醇,钠及碳水化合物含量,碳水化合物又被细分为膳食纤维和糖,这也是很有用的信息

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

It's very helpful for me, as I address you, to think about what you're seeing in the text, and that helps me to think about what I want to say to you.

这对我很有用，正如我和你们说的，想一想你们在文章里看到了什么，那会帮助我思考要和你们说什么。

耶鲁公开课 - 1945年后的美国小说课程节选

It turns out not, but it does evince the fact that we have some basic syntax like mathematics and equal signs and whatnot with which we can now start using for more useful purposes.

结果不是那样的，但这的确有个事实,我们有些基本的运算法则和等号和,其他一些东西，用来为我们一些,更多有用的目的而服务的。

哈佛公开课 - 计算机科学课程节选

Now, this is not the nicest way to do it but it'll work. I can look at the type of the value of base and compare it to the type of an actual float and see, are they the same?

这不是最好的办法但它确实有用,我可以得到底的值的类型然后,和一个真的浮点数的类型比比,看他们是不是一样？

麻省理工公开课 - 计算机科学及编程导论课程节选

We've formulated one particular kind of engine, and seen how we can analyze what it does, come up with relations that seem of value for efficiency and other quantities.

这是一个很典型的热机，我们来分析它是怎么工作的，然后得到效率和其它一些,有用物理量之间的关系。

麻省理工公开课 - 热力学与动力学课程节选

So, the Greeks are sopping up tremendously useful information and talent, and skills, and all sorts of things that help explain what's going to be coming.

希腊汲取了极其有用的,信息,才能和技术,而这对我们解释以后的历史启发良多

耶鲁公开课 - 古希腊历史简介课程节选

And I thought it would be useful And I thought it would be useful to have to have opportunities to work with students opportunities to work with students about the issues about the issues outside the classroom outside the classroom that might either inform or impede that might either inform or impede their development their development as scholars.

我觉得，如果有机会与学生交流,我觉得一个有用的办法,会很有益,是创造机会和学生们一起处理,与他们讨论课外的问题,课外一些可能会影响或阻碍,这些问题可能促进或者阻碍,他们作为学者的发展的问题。

普林斯顿公开课 - 人性课程节选

So let's think about how we can classify single and double and triple bonds, which is what we're really used to dealing with in terms of these sigma bonds and these pi bonds.

让我们想想怎么来分类单键双键,和三键，这在我们在考虑sigma键,和π键是很有用的。

麻省理工公开课 - 化学原理课程节选

You could absolutely implement something more interesting and something even more animated like we saw on Wednesday or even earlier today, but it takes a little more than just a format string.

你绝对可以实施一些更有用的,和一些更愉快的东西，像我们周三或今天早些时候,看到的，但它不只是,格式化字符串。

哈佛公开课 - 计算机科学课程节选

I think that I would imagine the Greeks sopping up all sorts of useful and interesting information from their neighbors in the east and the south and there's no question about it.

我会想像希腊人,从他们东方和南方的邻居那里,吸收了各种有用和有趣的信息,这是毋庸置疑的

耶鲁公开课 - 古希腊历史简介课程节选

Trans fats and saturated fat are also labeled on here and those are very helpful things.

反式脂肪和饱和脂肪也被列了出来,这是非常有用的信息

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

So, how do you go from just numbers, zeros and ones to actually useful information?

那么，你该怎样由这些数字0和,1来表述有用信息？

哈佛公开课 - 计算机科学课程节选

You open what we call the "text editor," the specific one we used on Wednesday was called Nano, -- which is similar to Notepad or TextEdit -- totally simple, kind of dumbed down but in a useful way so that you can just focus on writing code and not learning some new interface.

你先打开那个“文本编辑器“,就是我们周三用过的叫做Nano的编辑器，这个跟写字板和记事本差不多-,非常简单的，只是通过一种有用的方法而进行精简了的,所以你们可以把注意力集中在编写代码上,而不需要学习一些新的界面操作。

哈佛公开课 - 计算机科学课程节选