Pccs
[计]= Program Change Control System,程序更改控制系统
🗣️ 情景例句
The selection here is very large, it may be difficult to choose.
这里有很多式样可以选，可能很难决定。
They are never alone accompanied by noble thoughts.
思想高尚者决不会孤单。
Mary and lizzy are organizing a large medical conference.
玛丽和莉齐正在组织一个大型的医学会议。