I then proceed to define a list, populate it, and call my newly defined def. Next, I create a map and do the same thing for that collection.

然后我定义一个list，填充它，并调用我新定义的def。之后，我创建一个map，并对这个集合做了同样的操作。

youdao

Not only is writing a Groovlet as simple as creating a Groovy script but you can also define functions with the def keyword and call them directly within the Groovlet.

编写Groovlet不仅像创建一个Groovy脚本那样简单，而且还可以用def关键字定义函数，并在Groovlet中直接调用它们。

youdao

The first line of a function definition, also known as the method signature, begins with def (shorthand for define).

函数定义的第一行也称为方法签名(method signature)，以def开头(def是define这个单词的缩写)。

youdao