Dfd
abbr. 数据流程图（Data Flow Diagram）；数据功能图（Data Functional Diagram）；数字飞行显示器（Digital Flight Display）；数字频率显示（Digital Frequency Display）
🗣️ 情景例句
Some Japanese words are of Chinese origin.
有些日本文字是起源于中文的。
I took charge of the group.
我管理过那批人。
The guards couldn't have been watchig very carefully.
警卫不可能一直认真地查看。