Dfas
abbr. dark field alignment system 暗场对准系统; distributed financial accounting system 分布式财务会计系统; distributed frame alignment signal 分布式帧定位[同步]信号
🗣️ 情景例句
Yes, we have. For how many?
有，要几张？
Grand Central Station, please. I want to try to catch a 6:00 train.
请到中央火车站。我要赶六点的火车。
It's a clock.
一只钟。