But this is a compound, right, it has some non-zero heat of formation from the elements. So is water, right?

但这是种化合物，对吧？,它具有非零的生成热,水也是一样，对吧？

麻省理工公开课 - 热力学与动力学课程节选

Well, you know, it goes back to the beginning of the formation of the personal computer industry, which--that sounds like a long time ago.

嗯，你知道，这要追溯到,个人电脑产业的形成初期，听起来相当久远了。

斯坦福公开课 - 戴尔CEO-Michael.Dell谈创业和发展课程节选

While America has been preoccupied with Iraq and Afghanistan, what new geo-political developments formation of alliances, etc.

当美国正忙于伊拉克问题,和阿富汗问题时，在地缘政治发展方面,如建立联盟，等等。

普林斯顿公开课 - 国际座谈会课程节选