Ddnic
[计] 美国国防数据网络信息中心
🗣️ 情景例句
Fine.
好啊。
Please sit down and have a glass of juice.
请坐下来喝一杯果汁。
Many firms, for instance, have great difficulty in obtaining technical or scientific books from libraries
比如，很多公司向图书馆借阅科技书籍时感到很困难，