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
I don't believe it!
我简直难以相信！
I meet the boy whose aunt is a receptionist.
我遇到那个男孩的姑妈是接待员。
There is no doubt about it.
那是毫无疑问的。