What's shown in this diagram is the progress of the developing embryo as it travels in time, down the fallopian tube.

这张图上显示的,就是胚胎发育的过程,是按照它在输卵管中移动的时间排序的

耶鲁公开课 - 生物医学工程探索课程节选

And scientists have been working on this for years and there's been progress, but it's still a very difficult challenge.

科学家们对此已经研究很久了,并取得了进展,但仍有很大挑战

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

So I took this little interaction as sort of progress milestone in the proliferation of internet video.

所以我把这次交流作为一种网络视频,增殖过程中的里程碑。

麻省理工公开课 - 媒体、教育、市场课程节选

And so, I give you this example to say even though tremendous progress was made.

我讲这个例子是说,即便我们取得了巨大的进步

耶鲁公开课 - 生物医学工程探索课程节选

And this is an evolving project, a work in progress.

这是一项不断向前发展的事业。

耶鲁公开课 - 现代诗歌课程节选

If so how? And once again he puts forward different arguments; in Book II chapter 8 he compares law to other arts and sciences and suggests why sciences such as medicine and has exhibited progress this should be true for law.

如果可以，如何改？同样地,他从不同的角度来推论;,在第，II，册第，8，章中，他对比法律,与其它的艺术与科学,并暗示像医学等科学都已显示进展,法律也理应如此。

耶鲁公开课 - 政治哲学导论课程节选

This is a study done by National System of Educational Progress.

这项研究,是由国家教育发展组织所做的。

麻省理工公开课 - 媒体、教育、市场课程节选

And so what this slide just reminds you of how much progress we've made.

那这个幻灯片会使你们想起,我们取得的巨大进步

耶鲁公开课 - 生物医学工程探索课程节选