Dmfs
abbr. decayed, missing and filled surfaces 腐烂，损失和填充表面
🗣️ 情景例句
What's the spelling of your family name, sir?
您的姓怎么拼，先生？
Let's keep in touch.
让我们保持联系。
Then give us three cases of this.
那么这种的就买三箱好了。