所有的函数在使用前进行声明。

All functions should be declared before they are used.

youdao

这对于所有的函数来说都是这样，而不仅仅是递归函数如此。

This is true for all functions, not just recursive ones.

youdao

所有的函数都已为您做了定义，并且您只需覆盖您想修改的函数—没必要另起炉灶。

All the functions are already defined for you, and you just need to override the ones you want to modify — no need to reinvent the wheel.

youdao

So when you define a function, you have, as we've seen these curly braces, that define all ; of the code that's associated with that function; open curly brace code, close curly brace, that is the function.

当你定义一个函数，就像我们看到的这些花括号，定义了与,那个函数相关的所有代码;,左花括号，代码，右花括号，这就是一个函数。

哈佛公开课 - 计算机科学课程节选

It's something that someone else wrote or maybe you wrote, but you can encapsulate all of your ideas or your functionality inside this thing called a function.

它是别人或你自己写的，但是你可以压缩你所有的想法,或者你这个东西里面的功能叫做一个函数。

哈佛公开课 - 计算机科学课程节选

Since these are all state functions.

因为所有的热力学量都是态函数。

麻省理工公开课 - 热力学与动力学课程节选