The admiral says the situation in Iraq seemed impossible to resolve a few years ago, and,although the two countries are very different,and progress in Iraq is not a guarantee of progress in Afghanistan, it does give him reason to be hopeful about Afghanistan - even during the current period of heavy violence and at best,slow progress.

VOA: standard.2010.07.22

I could have that path be very slow and steady, so that at every point along the way, my gas is an equilibrium.

我可以很慢，很稳定地经过这条路径，因此在这条路径上的任意一点，气体都处于平衡态。

麻省理工公开课 - 热力学与动力学课程节选

You'd be amazed at how slow many companies are to change.

变化之慢让你吃惊。

斯坦福公开课 - 戴尔CEO-Michael.Dell谈创业和发展课程节选