What does come out, which is very useful is, if you do run the reaction, here's how much heat comes out.
能得到的结果是,如果我们进行这个化学反应,有多少热量放出,当然这也是很重要的。
I'm going to" is going to be very useful for you to refer to what's going to happen in the future.
I'm going to”在形容将来会发生的事情时,是一个非常有用的句型。
And that's useful because clearly I don't need to know in advance what the answer is going to be, what that string is actually going to be.
那个是有用的,因为我不需要预先知道,那个答案将会变成什么,或者那个字符串将变成什么的时候。
But before telling you about this let me sort of Go through some of the hypothesis that we have and That we are now testing about why the subject is Difficult and why these materials assembled what We have assembled them might be useful.
但是谈那之前我要说说,我们之前的一些假设,我们现在正在测试为什么这个学科很难,以及为什么我们整合这些资料是有用的,我们认为把它们整合起来或许有用。
I think for the moment it should be plain to you that this is a good way of understanding what the difference between a useful preconception and a useless preconception brought to bear on an interpretative act might consist in.
我想大家现在都能够,从这个例子中明白,解读中有益先见,和无益先见,之间的区别了。
What is useful is point to somebody and say, "You in the green sweater, call the police," and the psychological evidence is if you--if somebody's-- if I am wearing the green sweater and somebody asks me to call the police I will call the police. I'm a good guy.
有用的办法是,指着某个人说,“穿绿色毛衣那个人,快报警”,心理学证明如果你…,如果我穿着绿色毛衣,有人叫我报警,我会报警,我是好人。
So this isn't the most useful form that we can have, but what we'll see shortly is that from this, we can then derive further criteria for essentially any set of variables or any set of external constraints, like constant temperature or pressure or volume and so forth that we might set.
所以这不是我们所能得到的最有用的形式,但是我们会很快看到,我们能够进一步推导出包含任意变量,或者任意约束的自发过程判断标准,比如说恒定的温度,压强,体积或者其他我们能够给出的约束。
The "what do you" pattern is very useful
what do you”句型是个非常有用的句型
And so we'll talk about technologies like this, where they're at, what the scientific basis of it is, and how they might be useful.
我们将讨论这门技术会应用于哪些领域,它的科学原理是什么以及,如何使他们发挥作用
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