One, two, three ... three times at the other ... so eight specific actions by him, knocking it with another stone, to take off a flake, and to leave this almost straight line, which is a sharp edge.
所以他不多不少恰恰打了八次，利用其他石头来打磨它，敲掉一小薄片，留下这边面几乎呈现直线，边缘相当之锋利。
If you took the sun away, it would be like cutting the string that provides the pull and in that case what you would see is that the planets would just take off along a straight line.
如果现在移走太阳，这就像切断提供拉力的绳子，这样一来，你们将看到，所有行星，均沿直线飞出去。
Said a different way, in the case of the straight-line programs, how long would it take to run a program?
换种说法，在直线式程序里面，运行一个程序要多长时间？
Try this: Put a blindfold on someone, take them to a park or a beach or a meadow and ask them to walk for as long as they can in a straight line. Then watch what happens.
我们来做个是实验：把一个人的眼睛蒙上，带他到公园、海滩或牧场里，让他尽量走一条直线，看看会发生什么吧？
It must take a certain genius to throw things away from there, to find a straight line through that sticky tangle to the floor.
把东西从那里扔出去是需要一点技巧的，技巧在于能找条路线穿过粘稠的网到达地板上。
It must take a certain genius to throw things away from there, to find a straight line through that sticky tangle to the floor.
把东西从那里扔出去是需要一点技巧的，技巧在于能找条路线穿过粘稠的网到达地板上。
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