You write the source code, the stuff that looks like this and then you save your file, and now you just have a text file.

比如你们写出像这样的源代码后,保存，你将会得到一个文本文件。

哈佛公开课 - 计算机科学课程节选

The bits, the zeros and ones that compose the library are actually - in that file called cs50.c but those bits live or-- even that's a white lie.

这些构成该库的比特--0啊1啊,却是在cs50，c文件里,这些源代码-,可以说是根本不存在。

哈佛公开课 - 计算机科学课程节选

hi3 And then all of these other white files are just source code files, dot C file.

就是绿色的。，Hi3，is，green。,而其他部分白色文件都是些源代码,都是，c文件。

哈佛公开课 - 计算机科学课程节选

So you have to somehow convert the source code, the C code into 0s and 1s and for that process there exist this tool called a compiler that someone else wrote that takes this stuff as input and produces this stuff as output.

所以你必须把源代码，即C语言代码转换成二进制文件,这个过程就需要我们提到的编译器了,它是由别人编写的一个软件，以这些代码作为输入,将会产生的输出。

哈佛公开课 - 计算机科学课程节选

So among your printout from Wednesday, if you have it, you have a file called math1.c. If you don't have this, the programs are short today, so it should be easy enough to follow along visually, but a PDF and the actual source code is available online for these things.

从你们周三打印出来的资料来看，如果你们手上有的话，你们会看到有个叫做的“math1，c“的文件，如果你们没有资料，那些程序还是比较短的，所以你们应该可以很轻松地,来看这些程序，但是那个PDF文件,和实际的源代码都可以到网上找到,相关的资料。

哈佛公开课 - 计算机科学课程节选