Scientists say the thinning ozone layer over the South Pole makes climate change take place more quickly than in other areas of the world.

VOA: special.2009.06.03

The boundary is impervious to transfer of heat like a thermos Anything that happens inside of the thermos is an adiabatic change because the thermos has no connection in terms of energy to the outside world.

边界不能传递热量,像热水瓶一样,热水瓶里发生的任何事,都是绝热变化,因为热水瓶与外部世界,没有能量方面的联系。

麻省理工公开课 - 热力学与动力学课程节选

One of the most significant barriers to people doing things in the world, to actually introducing change is that they underestimate their ability to bring about change.

人若想在世间有所为,真正实现改变，面对的最显著障碍之一,是他们低估自己实现改变的能力。

哈佛公开课 - 幸福课课程节选

But in nineteen thirty-four, she saw something that would change her idea of the world.

VOA: special.2009.05.10

He is also saying that the birth of Christ in Bethlehem was a nightmare for the world it altered, the world that it changed utterly a change that Yeats sees as the end now of the Christian Era and not its fulfillment.

他还说,基督在伯利恒的诞生,是一个噩梦，因为世界因此改变，彻底变了,叶芝把这个改变,看作基督时代的终结,而不是它的圆满。

耶鲁公开课 - 现代诗歌课程节选

"If you want to bring about change in the world, you can't just be an advocate of somebody else doing it,"

VOA: standard.2009.09.23

Indonesian views of the United States have been tempered by what many say has been the lack of change in U.S.foreign policy toward the Muslim world.

VOA: standard.2010.06.21

"Copenhagen can and must be the turning point in the world's efforts to prevent runaway climate change and usher in a new era of green growth for all,".

VOA: standard.2009.12.17

"Be very clear, the issue of climate change is connected to development, it is connected to growth, and no country in the world can accept a freeze on its development,"

VOA: standard.2009.11.27

As Mr. Obama made his international debut on the world stage, an unmistakable change in tone and attitude emerged about how the United States will deal with the rest of the world.

VOA: standard.2009.04.03

The alarming prediction that the Himalayan glaciers are receding faster than those in any part of the world was made in a 2007 report by the U.N.'s Intergovernmental Panel on Climate Change.

VOA: standard.2010.01.23