And not a single young person in the room except my son, who was then a teenager who would tag along and see his father testify.

却没有一个年轻人在场,除了我儿子，是当时唯一的青少年,除了他没人跟着父亲参加听证会。

麻省理工公开课 - 媒体、教育、市场课程节选

So, for example, if you were interested in some protein involved in cancer, you could tag it with GFP.

例如，如果你对和癌症有关的,蛋白质感兴趣，你可以用GFP标记它。

麻省理工公开课 - 化学原理课程节选

And this one too, "I saw you walking around the CS50 Fair with a name tag that said you were in the class.

这个也是，“我看见你在CS50教室外面，胸前有一个姓名牌,说明你也在上这门课“

哈佛公开课 - 计算机科学课程节选

All you have to do is mutate the DNA, which is very straightforward to do in molecular biology, and now you can tag absolutely any protein that you're interested in.

你所需要做的就是使DNA变异，这在分子生物学力是很容易做到的，你可以用它标记,任何你感兴趣的蛋白质。

麻省理工公开课 - 化学原理课程节选