youdao

The preprocessor is available for download (see download).

此预处理器也可以下载(参见下载)。

youdao

And a compiler is, in some sense, just a very fancy preprocessor.

从某种意义上讲，编译器就是一个非常奇妙的预处理器。

youdao

stdio c So somewhere there's standard IO dot C, stdio h somewhere they're standard IO dot H, but, for me, right now, the only file I need to know about is the dot H, -- because what Sharp include really does -- it's what's called a preprocessor directive.

所以某个地方有一个，现在对于我来说它们是，我只要知道那个，h文件，因为Sharp包含的-,叫做预处理指令。

哈佛公开课 - 计算机科学课程节选