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
Good morning, Sam.
早安， Sam。
He that travels far knows much.
见多识广。
In fact, it would be an assistance to all carnivores though it would be a two-edged weapon when they fought each other.
因此，任何食肉动物有了毒液，都能从中获益。