"We will just exercise a level of surveillance that will clearly ensure that nothing like this happens again,"

VOA: standard.2010.01.23

If we only ask these questions, we will miss,literally miss an important part of reality, just like you missed the children on the bus in the exercise.

如果我们只问了这些问题，就会错过现实中很重要的部分，像你们在练习中没看到公车上的孩子一样。

哈佛公开课 - 幸福课课程节选

I just want to exercise or something I'll go and play soccer, basketball, dodge ball, things like that.

我想锻炼的时候我就去踢足球、打篮球、打躲避球，这一类的。

我喜欢运动 - SpeakingMax英语口语达人

And so when you start to poke around the puzzle pieces, you see that it can say things, we'll see movement in just a moment and sound and so forth, but at the end of the day, this is just like the program we used a moment ago for the sock exercise where we just hold Philip a step after step after step, do this, do this, do that, and yet, here too, we already see an opportunity for that thing we called the loop.

如果你认真看下这些拼图，你会发现它都是一些移动，并发出声音的功能块,就像我刚才的,练习程序一样,我们让飞利浦做这个动作，做那个动作，跟这里的情况一样，我们已经看到了称为循环的东西。

哈佛公开课 - 计算机科学课程节选

But I like to just walk here for exercise,

但我只喜欢在这里散步，锻炼一下身体。

最美丽的公园 - SpeakingMax英语口语达人