Cis
[计] 中央信息系统, 字符指令系统, 计算机信息服务, 用户信息系统
🗣️ 情景例句
My mother has a touch of the flu.
我妈得流感了。
That is not good language which all understand not.
不是人人都懂的语言不是好语言。
Tim is looking at an aeroplane.
蒂姆正望着一架飞机。