Idf
abbr. 综合资料文件（intergrated Data File）
🗣️ 情景例句
Make it a double!
加倍。
One father is more than a hundred schoolmasters.
一个父亲胜于一百个教师。
I must go to the grocer's.We haven't got much tea or coffee, and we haven't got any sugar or jam.
我得去一下食品店。我们的茶叶和咖啡不多了，糖和果酱也没有了。