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
Maybe the real owners will come to claim her.
也许狗的主人会来认领她的。
I hope you're enjoying your stay here.
我希望你在这里过得愉快。
We've got plenty of time. We needn't hurry.
我们有大把时间，不急。