"I think,in very general terms, in the last year or two, that the strident public criticism and denunciation rom the outside has also been a factor and has in my view has been something of a mistake,"

VOA: standard.2009.11.17

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

So that's something I'm really interested in, in terms of like my future, outside of high school.

那是我真正感兴趣的事情，关系到我高中毕业后的未来。

高中生活怎么样？ - SpeakingMax英语口语达人