英语语法分析

Likewise, XML is a metalanguage because it's a language that describes languages.

类似地，XML是一种元语言，因为它是一种描述语言的语言。

The development of a programming language involves the use of a metalanguage.

开发一种编程语言涉及到使用元语言。

Formal syntactic models for the description of grammar, eg generative grammar, are a type of metalanguage.

正式句法模式描述语法，例如生成语法，是一种元语言。