Sadf
[计]= System Analysis and Design Facility,系统分析和设计设备[设施]，系统分析和设计程序
🗣️ 情景例句
This may sound like a dumb question, but I'd like to know.
这也许是个愚蠢的问题，但我想知道。
If I buy tha car,I'll have to borrow some money.
如果我买了那汽车，我将不得不借一些钱。
Well, it feels strange to have a twin sister.
是呀，有个孪生姐姐是觉得奇怪。