In the study, researchers tested curcumin, a chemical compound taken from turmeric.

VOA: special.2010.06.01

He said that the percent ionic character, and this is within a bond, not for a compound, for a covalent bond.

他提到离子百分数，是指一根键中，并非一个分子中。

麻省理工公开课 - 固态化学导论课程节选

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

But these same rescuers scored a victory earlier Tuesday, when they rescued a 69-year-old woman from the ruins of the same compound.

VOA: standard.2010.01.20

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？

麻省理工公开课 - 热力学与动力学课程节选

The killing of the British personnel by a lone Afghan policeman at a military compound in Helmand province has raised more questions in Britain about the deployment.

VOA: standard.2009.11.04

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

Two vehicles entered and then exploded in the African Union peacekeeping force compound, sending a heavy trail of black smoke into the skyline of the capital city.

VOA: standard.2009.09.17

If you want to learn about compound meters go take music 210 and become a music major.

如果你想学习复拍子的话,可以去上音乐210这门课,成为一名音乐专业的学生

耶鲁公开课 - 聆听音乐课程节选

Tens of millions of dollars have been poured into projects to help the people, like a $50 million Afghan police compound that will open later this summer.

VOA: standard.2010.05.26

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

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

For instance,he says, a UN compound recently was hit by rocket fire, a World Food Program convoy came under attack and non-governmental organizations are frequent victims of armed robbery by criminals.

VOA: standard.2009.08.07

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。

耶鲁公开课 - 1945年后的美国小说课程节选

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。

麻省理工公开课 - 化学原理课程节选

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。

耶鲁公开课 - 心理学导论课程节选

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 when a compound is decomposed, the atoms are recovered unchanged.

当一个化合物被分解的时候，原子有恢复原来未曾改变的面貌。

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。

麻省理工公开课 - 化学原理课程节选