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
Really?
真的吗？
I guess he's about 30.
我猜他大概30岁。
He's doing well in all his lessons. He's not lazy. He'll do very well in the exams.
他各门功课都学得很好。他从不懒。他考试会考得很好的。