Idf
abbr. 综合资料文件（intergrated Data File）
🗣️ 情景例句
If you don't finish your homework, you'll be in big, big trouble.
如果你不完成作业，你就有大麻烦了。
I'm not accustomed to that kind of social situation.
我不太习惯那种社交场合。
A woman got into the car and drove off.
一个女人钻进小车，飞驰而去。