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
Except for the beard, he hasn't changed in fifty years.
除了有胡须， 他五十年来没有变。
I can assuer you of our close cooperation.
我保证通力合作。
This exhibition received a great deal of attention in the press, for though the pictures were supposed to be the work of famous artists, they had in fact been painted by Dickie.
这次展览引起报界广泛注意，因为这些画名义上是名家的作品，事实上是迪基自己画的。