Metalanguage
n. 元语言\\n[计] 元语言
📖 牛津释义
metalanguage
n[C, U]
language or set of symbols used in talking about or describing another language, etc 元语言, 纯理语言（用以讲述或描述另一语言等的语言或一套符号）.
🗣️ 情景例句
I promise I won't leave early.
我发誓我再也不会早走了。
I assure you of its quality.
我向你保证它的品质。
Let's go to the first island.
我们到第一个岛上去吧。