But it was on the Galapagos Islands off the coast of Ecuador that Darwin found creatures that made him wonder about how species develop and change.

VOA: special.2009.02.25

So if we have a negative change in energy for any reaction as it's written, what that actually means is we're giving off energy as the reaction proceeds.

如果我们像这里写的这样,在任何一个反应过后，得，到的能量变化为负值,这就意味着我们在这个过程中放出了能量。

麻省理工公开课 - 化学原理课程节选

This normal weight animal like this has its whole equilibrium thrown off, its homeostasis thrown off when its dietary conditions change.

在饮食条件发生变化时,这些正常体重动物的生理平衡被打破,于是摈弃了原来的平衡饮食

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

"There is a tendency - when it comes to changing behavior in realms where behavior change is difficult - to always favor putting it off until the future."

VOA: standard.2010.07.16

Well, imagine if that change in structure could be switched on and off by addition of a phosphorous; and in fact it can in many proteins.

那么,想象一下,只需引入磷酸基团,就能导致蛋白质的结构发生变化,事实上很多蛋白质就是如此

耶鲁公开课 - 生物医学工程探索课程节选

Leaving things as they are in the Arab world, the Institute for Peace study says, will result in cosmetic changes only, allowing autocratic rulers to fend off real democratic change.

VOA: standard.2010.05.19

OK. What does that say? I'm going to change MinIndex min index to also point there n value is 8, j starts off here, and I say, OK, is the thing I'm looking at here smaller than that? Yes.

好的，这意味着什么？,我打算交换，让它也指向那里，MinVal是8，j从这里开始,我要找的值比这个小么？是的。

麻省理工公开课 - 计算机科学及编程导论课程节选