如今，即使想要知道一大块冰如何移动——或换个词讲，漂浮——是非常困难的，但众所周知冰川漂浮是由于重力。

Now, even though it may be difficult to understand how a huge mass of ice can move—or flow, it's another word for it—it's really no secret that glaciers flow because of gravity.

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当我们迈一步时，我们体内的两百块肌肉是如何协同工作的？

How do our 200 muscles work together when we take a step?

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匿名块如何模拟应用程序的运行。

How anonymous blocks can simulate application runs.

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I don't know if I'd eat it if it were put in front of me, but anyways, I'm told that it looks something like this, that you have the custard with little fragments of plum inside.

我不知道,就算这东西曾经放在我面前，就算我吃过它，但是无论如何，但是有人告诉过我有些东西长得像这样，如同在一些小块的梅子,放在乳蛋糕里面。

麻省理工公开课 - 固态化学导论课程节选

There's a whole bunch of blocks that we'll look at in more fun detail on Friday but I'm going to pick the easiest one here and I'm going to type Hello CS50 in this string, "Hello CS50", zooming in say how nice the puzzle pieces are nicely interlocked?

今天我们看到的各种图块,到下周五我会仔细讲解其中的精妙之处,但今天我只想举一个最简单的例子,我要在这儿键入字符串，放大窗口，然后看看这漂亮的图形和文字,是如何美妙地连结在一起的？

哈佛公开课 - 计算机科学课程节选