The new food guide pyramid can be seen at mypyramid.gov and it looks like this.

新的食物金字塔可以在,mypyramid.gov官网上找到,如图所示

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Let's call someting invisible not only it can't be seen, not only it can't be observed, but it can't be detected at all.

让我们把一些不仅是看不见的,不仅是观察不到的，而且是完全检测不到的，东西称为无形的。

耶鲁公开课 - 死亡课程节选

Another thing that these kings are seen to do, which is in a way even at a lower level, is to be herdsmen.

这些国王们平时还,做一些更加低等的事情,比如放牧

耶鲁公开课 - 古希腊历史简介课程节选

At certain times, you're going to be seen on film, so the camera is actually going to come around and point in your direction.

有时候你会被拍摄到,此时摄像机会转到你所在的方向

耶鲁公开课 - 博弈论课程节选

You also do walking meditation, you can do mantra meditation, you can do all sorts of meditations that can be seen as a step towards maintaining the state of mindfulness at all points of your daily life, which is impossible unless you're a monk for a very long time.

还有行禅，曼怛罗冥想，你可以进行各种冥想修行,都可被视为正迈向,在日常生活的每时每刻,保持警醒，这几乎不可能实现,除非你是修行多年的僧侣。

普林斯顿公开课 - 人性课程节选