Dcna
[计] 数据通信网络体系
🗣️ 情景例句
Stone has been out of work for three months.
世通已失业三个月了。
I can't recall how long it's been.
我不能记起多长时间了。
I have an exhibition in London this coming month.
下个月我在伦敦要举办一次画展。