And it follows qualitatively from just your ordinary observations a bout the direction in which things go spontaneously, right.

定性地来说,就是你们日常生活中观察到,自发进行的物理现象,会有方向性。

麻省理工公开课 - 热力学与动力学课程节选

And Jenner made the observation that others had made, that people that were around cows a lot tended not to get smallpox.

詹纳观察到的现象别人也曾观察到,就是经常接触奶牛的人不容易患天花

耶鲁公开课 - 生物医学工程探索课程节选

When we do experiments, each group of three has an experimental setup to measure the phenomenon.

当我们做实验的时候，每个三人小组建立实验设备,来测量观察的现象。

麻省理工公开课 - 媒体、教育、市场课程节选

That's the main thing that they observed, but there's a second thing.

这是他们观察到得主要现象，但是第二件事。

麻省理工公开课 - 固态化学导论课程节选