说明：  Lua 是一个扩展式程序设计语言，它被设计成支持通用的过程式编程，并有相关数据描述的设施。 Lua 也能对面向对象编程，函数式编程，数据驱动式编程提供很好的支持。它可以作为一个强大、轻量的脚本语言，供任何需要的程序使用。 Lua 以一个用 clean C 写成的库形式提供。
(Lua is an extension of the style programming language, it is designed to support general procedural programming, and related data description facilities. Lua is also object-oriented programming, functional programming, data-driven programming to provide good support. It can serve as a powerful, lightweight scripting language for any program that needs to use. Lua written in a clean C library in the form provided.)