Metameta language
[计] 元元语言
🧩 词语组成解析
🗣️ 情景例句
Let's just all calm down,
让我们全都冷静下来，
He's behind the rest of the class in reading.
他在阅读方面不如班上的其他同学。
There was a notice in the supermarket.
超市里有一个布告。