So this has the effect of starting at location zero and I do s2 bracket I gets s1 bracket I.

这个是从地址0开始,接着，s2【i】，=，s1【i】

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It is. It's drawn like an array, it effectively is an array so bracket zero means go to the zero's location in that array, which happens to be F and do what with it?

它看起来像个数组，实际上也是一个数组,所以【0】就是定位到那个数组的0的存储单元，对于f发生了什么？用它做什么？

哈佛公开课 - 计算机科学课程节选