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
There aren't window seats left, but a few enter seats are open.
那些靠窗的位子已没有了，但里面的位子还有。
Ouch!
好痛呀！
That was quick! she said. Have you finished already?
“你真快！”她说，“你已经买完东西了吗？”