But this is a compound, right, it has some non-zero heat of formation from the elements. So is water, right?

但这是种化合物，对吧？,它具有非零的生成热,水也是一样，对吧？

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so we are actually trying to develop a compound to treat a very severe form of autism,

我们想研究出某种能够治疗一种非常严重的自闭症的复合药物，

成功的医学研究 - SpeakingMax英语口语达人

And you would expect that that would be a much stabler compound because, instead of plus one attracting plus one, now you have plus two attracting minus two.

可以预见,这将会是更稳定的化合物，因为不再是一价正离子吸引一价负离子，而是二价正离子吸引二价负离子。

麻省理工公开课 - 固态化学导论课程节选

I say it's a compound or multiple love story, pure and complicated.

我觉得它是个混合的或多样化的故事，单纯也复杂。

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So that's a good start for us putting together a skeletal structure for this compound here.

因此这对我们画这个化合物的,骨架结构来说是个好的开始。

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So, we quickly talked about certain aspects of why we like other people including proximity, similarity, and attractiveness, and where we left off was a discussion of the Matthew effect, which is basically that good things tend to compound.

我们昨天略为讲几个方面,解释我们为什么会喜欢他人,包括邻近性，相似性和吸引力，我们昨天最后讲的是马太效应，它是说，好事是会扎堆的。

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I will say this. What we call compound movements, big movements.

要我就这么建议。我们所说的复合运动，大动作。

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Maybe you're not looking at a reaction, but you've got some new compound, and you're looking at it go from liquid to solid or to gas.

也许你研究的不是一个反应,但你得到了一种新的化合物,你看着它从液体变成了固体或气体。

麻省理工公开课 - 热力学与动力学课程节选

And each time one of these errors occurs, or you get multiple errors that compound each other, then you've got a lot of potential error introduced in these messages.

每当有误差发生,或多重误差复合叠加,然后你所得到的信息,就会包含很多潜在的误差

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And everybody would agree that is an ionic compound.

所有人都会同意,它是一个离子化物这一观点。

麻省理工公开课 - 固态化学导论课程节选

But in terms of drugs that don't look like maybe this compound was used in the synthesis, many of them might have used thionyl chloride, because it generates such a nice reactive intermediate that you can go on and make a bunch of different compounds from that intermediate.

但是对于药物来说,它们可能跟合成过程中用到的这种化合物并不相像，很多药物的制造过程中都会用到亚硫酰氯，因为它能产生活性如此之高的反应中间体,以至于你可以继续利用反应中间体,来制造一堆不同类型的化合物。

麻省理工公开课 - 化学原理课程节选

So, a natural product is something that is made by nature, and often natural products, whether it comes from a plant or a marine organism have some really good, useful properties. And so, one particular compound has anti-tumor properties. So, again, along this line of cancer research.

天然产物是在自然界中生成的,通常一个天然产物，不管是来自植物或者海洋生物,都有些非常好非常实用的性质，其中的一个特殊的化合物,可以治疗癌症,再一次我们又来到癌症研究上。

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And we could do this for our compound here, HF.

我们能为HF做计算。

麻省理工公开课 - 固态化学导论课程节选

So, yes, they're very poisonous, and in fact, there are areas where you find this toxic compound, cyanide.

因此，没错，它们毒性非常强，而实际上，你会发现很多地方都有这种有毒成分，氰化物。

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Just so that we are clear, this is the bond in this compound.

所以我们明白，这是化合物中的共价键。

麻省理工公开课 - 固态化学导论课程节选

Delta H of formation means the enthalpy of this compound minus the enthalpy of its constituent elements in their most stable state at room temperature and pressure.

生成焓就是这种组分,的焓减去它的所有组成元素,在室温和常压下处于,其最稳定的状态时的焓。

麻省理工公开课 - 热力学与动力学课程节选