But like many people of the day, it was a practice to snip out little mementos of events, and this particular coat suffered that same fate, in that Alfonso Don would clip pieces away from the coat and give it to people who came to visit and to see the coat.

VOA: special.2009.07.24

In fact, there are some very old books that show this as the average, the sum divided by two arithmetic mean, but the modern practice is to use the geometric mean.

事实上，一些很老的书籍上,平均的定义就是算数意义的，总的来说被分为两种算数意义，但现代我们多用几何意义。

麻省理工公开课 - 固态化学导论课程节选

But practice this, because it's something that's such an easy way to ask such a variety of questions.

但是你仍然需要好好练习，因为这个简单的用法能够提出各种各样的问题。

Where 课堂 - SpeakingMax英语口语达人

In break from past practice, Blake said Clinton will not visit Pakistan on this trip but would do so on another trip in the fall, reportedly in October.

VOA: standard.2009.07.15

But in practice, it's really easy to say this person doesn't match in there but does match up along so many dimensions.

但在现实生活中，人们总是会找这样的借口,这个人在这一方面不行，可还有很多方面适合。

斯坦福公开课 - 扎克伯格谈Facebook创业过程课程节选

So that way you can have an idea if, oh, I do really understand this but I'm a little bit slow, maybe I need to practice this one type of problem a little bit longer so I can get up to speed so I'm going to be able to get through all this in terms of the exam time.

这样你就可以知道，假设，噢，我真的懂这个，但是我的速度有点慢，或许我需要在练习这个类型的题目上,多花一点时间,这样我就可以提高自己的速度,可以全部做完,在考试规定的时间内。

麻省理工公开课 - 化学原理课程节选

This is mainly a research tool now, but there's lots of reasons to believe that this is going to change the way that physicians practice medicine by allowing them to diagnose or predict what's going to happen to you in ways that they can't currently.

这项技术现在还只是一种研究工具,但我们有理由相信,它将改变,内科医生诊疗实践的方式,因为它能让医生,诊断或预测出病人将要得的病,这是他们现在做不到的

耶鲁公开课 - 生物医学工程探索课程节选