• A new report in the journal Global Change Biology says the ecosystem of the Galapagos Islands has changed forever.

    VOA: special.2009.12.16

  • The right expectation is to believe in change from within.


    哈佛公开课 - 幸福课课程节选

  • Many commentators have observed that The change in name accompanies a change in character, a change of essence in Israel.


    耶鲁公开课 - 旧约导论课程节选

  • Secretary Gates said he has launched a year-long study of the possible effects of a change in the law.

    VOA: special.2010.02.06

  • It means that the properties of the system, the properties that describe the system, don't change in time or in space.


    麻省理工公开课 - 热力学与动力学课程节选

  • The researchers noted a big change in the list of countries with the lowest adult mortality over the past forty years.

    VOA: special.2010.05.05

  • It eradicates identity, eradicates sense of self. It's gone forever, and you can see the change in pronouns.


    耶鲁公开课 - 1945年后的美国小说课程节选

  • The researchers said tPA improved the chances of a successful result by thirty-one percent and produced no change in the death rate.

    VOA: special.2009.09.22

  • Ok, double line. If there are no questions I'm going to make a dramatic change in topic.


    麻省理工公开课 - 计算机科学及编程导论课程节选

  • Almost two hundred countries met for two weeks at a United Nations conference on climate change in Copenhagen,Denmark.

    VOA: special.2009.12.26

  • This will change in Rome, because in Rome women were citizens also, although that didn't mean they were equal to men.


    耶鲁公开课 - 新约课程节选

  • But they believe there is a helpful change in the way the body processes energy in the monkeys that eat fewer calories.

    VOA: special.2009.09.01

  • 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.


    麻省理工公开课 - 化学原理课程节选

  • In our last program, we told you how the flow of immigration to the United States began to change in the eighteen eighties.

    VOA: special.2010.05.20

  • If so,how many chords are involved in this chord change and are they changing at a regular or irregular rate?


    耶鲁公开课 - 聆听音乐课程节选

  • Another reason is that a small change in temperature can mean the difference between snow and rain.

    VOA: special.2010.01.05

  • You needed the community that makes use of linguistic conventions to acquiesce in a change of use.


    耶鲁公开课 - 文学理论导论课程节选

  • The next major change in Winslow Homer's life was a decision to work in a new medium.

    VOA: special.2010.07.25

  • That is to say I can now reroute that sodium plus chlorine reaction and go a different way, but I still end up with the same change in energy.


    麻省理工公开课 - 固态化学导论课程节选

  • Senator Davis said that what was needed was a change in the North's policy toward the South.

    VOA: special.2009.03.26

  • So the food environment can change and can change in productive ways and there are a lot of signs of this happening.


    耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

  • These incidents took place during a time of intense social and political change in the United States.

    VOA: special.2010.02.25

  • When they bind, they produce some change in the receptor molecule which is experienced inside the cell.


    耶鲁公开课 - 生物医学工程探索课程节选

  • Examples include large medical bills, the loss of financial aid or an unexpected change in the financial condition of their source of support.

    VOA: special.2009.01.29

  • Of course, this was just a change in stock prices; it wasn't related to any fundamental change in the economy or any fundamental change in corporate prospects.


    耶鲁公开课 - 金融市场课程节选

  • Two rulings in the United States could change how information is controlled online and in our bodies.

    VOA: special.2010.04.09

  • What is that called when you change the fundamental pitch in a piece, going to a different pitch level?


    耶鲁公开课 - 聆听音乐课程节选

  • The ones that are accepted in public speech change through the years as social rules change.

    VOA: special.2010.02.14

  • And we haven't talked about reactions at all yet, so you don't need to worry about the specifics of that exactly, but just that if you have this negative change in energy, you have a more stable product than you do reactant.


    麻省理工公开课 - 化学原理课程节选

  • So, if we took the case of nitrogen, if we add an electron to nitrogen and go to n minus, we find that the change in energy is 7 kilojoules per mole.


    麻省理工公开课 - 化学原理课程节选

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