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
Keep out of what doesn't concern you.
不关你的事不要插手。
I'll pick up ticket at the airport counter.
我会在机场柜台拿机票。
Dad, this box is too heavy. We can't carry it.
爸爸，这个箱子太重了，我搬不动。