Der
abbr. 区分编码规则（Distinguished Encoding Rules）
🗣️ 情景例句
It's like an oven in here. Let's open the windows.
这里快成烤箱了，我们把窗子打开吧。
Your friend was here a week ago,wasn't he?
一个星期前，你的朋友曾在这里，是不是？
We had expected much lower prices.
我们希望报价再低一些。