Defense information systems agency
un. 国防信息系统管理局\\n
🧩 词语组成解析
n. 体制, 体系；制度；系统（system的复数形式）
🗣️ 情景例句
It's a safe bet that he'll get the job.
他能得到那份工作，这几乎可以打保票。
Make haste slowly.
从容赶急。
Meanwhile, his unit was lost and all records of him had been destroyed.
与此同时，他所在部队被击溃，他的所有档案材料全部毁于战火。