World Health Organization Director-General Margaret Chan says she is disappointed a deal on climate change was not struck in Copenhagen.

VOA: standard.2010.01.02

And the motivation for choosing a pair like that is easy to see, if we look at our condition for spontaneous change or general condition.

我们这样选择的动机,很明显，如果考察我们所考虑的自发变化的条件,或者更一般的条件。

麻省理工公开课 - 热力学与动力学课程节选

In general, the second law gave us the Clausius inequality for spontaneous change.

一般来说第二定律给出了,自发变化的克劳修斯不等式。

麻省理工公开课 - 热力学与动力学课程节选

The Society's secretary general, Lee Peng,says businessmen in China are starting to change their attitude towards green economy.

VOA: standard.2010.02.24

This is really a general idea in psychology that we are in a way wired up to be more sensitive to change than to steady states.

这是心理学上一个普遍的观点,某种意义上,比起稳定状态，我们对变化更敏感。

耶鲁公开课 - 心理学导论课程节选

While in New York, Mr.Obama also addressed a high-level summit on climate change,called by U.N.Secretary-General Ban Ki-moon.

VOA: standard.2009.09.22

Until we get, of course, this is early days, until we get to the Peloponnesian War when things change radically in fighting in general, but this is your standard. Yes sir?

当然这指的是早期,直到伯罗奔尼撒战争,才全面改写了战争规则,但你可把这当做一种标准时长,请讲

耶鲁公开课 - 古希腊历史简介课程节选

"My hope is that the attorney general and the president decide to change their mind."

VOA: standard.2010.01.30

The trouble is, you just don't know when that explosion took place, and since there are several periods in this general area that we're talking about now, in which something big happened, some great change takes place, it turns out different people want to have their explosion at different times.

问题是,你不了解火山爆发的,确切时间以及这种爆发,在这个区域又延续了很多个时期,这些时期发生了许多重大事件和重大变化,结果就是不同人对,火山爆发的时间推测各不相同

耶鲁公开课 - 古希腊历史简介课程节选

And in London, the U.N.Secretary General said world leaders are not likely to agree to a new climate change pact at the December summit in Copenhagen.

VOA: standard.2009.11.04

(Test) The U.N.Secretary-General says he is "optimistic" a climate-change agreement can be reached in Copenhagen that will include specific recommendations on key elements that will take effect immediately.

VOA: standard.2009.12.09

he endorsed the grim assessment by the NATO and U.S.commander in Afghanistan, General Stanley McChrystal, and his call for a change in the way the alliance operates in the country.

VOA: standard.2009.10.23

"Whether or not they blame Karzai for that personally, I think that there is a general sense among significant parts of the population that it may be time for a change.

VOA: standard.2009.08.03

In addition to the non-proliferation summit, Rice confirmed that President Obama will address the opening session of a climate change summit to be convened by U.N.Secretary General Ban Ki-moon on September 22.

VOA: standard.2009.09.02

It also recommends a coordinated climate adaptation research program and a national climate service to better inform all levels of government, the private sector, and the general public, about what climate change will mean for them.

VOA: standard.2010.06.14