is going to be just the opposite of 2px So if you said 2 p x the first time, 2py say 2 p y this time.

就和，我们开始说的那个,如果你第一次说，现在就是。

麻省理工公开课 - 化学原理课程节选

And I originally decided I was going to have as points, it's going to have internal values of an x and a y.

写了一堆代码,然后我以开始决定，是要把值放到点里面的,点有内部的x坐标和y坐标。

麻省理工公开课 - 计算机科学及编程导论课程节选

And you can very quickly take this feature to an extreme 10 and start putting X and Y and A and B and 10 and all your variables up top because it would seem to solve all of your problems and stop all of your thinking, but it's generally not a good thing.

你可能迅速地使这个特征成为一个极端,开始把X和Y和A和B和0,和所有的变量都放在最前，因为好像它可以,解决你的所有问题，并中止你的想法，但通常这不是一件好事情。

哈佛公开课 - 计算机科学课程节选