Idf
abbr. 综合资料文件（intergrated Data File）
🗣️ 情景例句
What's going on?
怎么样了？
Don't forget to look after him.
不要忘记照料他。
A man was lying in the box on top of a pile of woolen goods.
箱内有一个人正躺在一堆毛织品之上。