The result is a cell that's very similar but it is - very similar to the progenitor cell but it's exactly the stem cell.

另一个结果就是产生一个,很像祖细胞的细胞,但却是如假包换的干细胞

耶鲁公开课 - 生物医学工程探索课程节选

That doesn't really happen, but they do look longer.

这实际上是假的,但他们的注视时间的确更长了

耶鲁公开课 - 心理学导论课程节选

They are RNA molecules but they have at some points in their life span, they have amino acids attached to them.

这些是如假包换的RNA分子,但在其生命周期的特定时间,它们会携带一个氨基酸分子

耶鲁公开课 - 生物医学工程探索课程节选

So, if you smile at somebody, and you just hate their guts but you want to smile at them, it's--unless you're quite gifted it's difficult to fake a really good, really happy smile.

所以，你对某人微笑，你很讨厌他们，但你要对他们微笑，除非你很有天赋,很难去假笑，伪装真正的微笑。

耶鲁公开课 - 心理学导论课程节选