Cobol library
[计] COBOL程序库
🧩 词语组成解析
Common Business-Oriented Language 面向商业的通用语言;
🗣️ 情景例句
You must be green to believe that!
你真幼稚，竟然相信那个。
To fall off a bench
从长椅上掉下来
Yes, that's a good idea. But I have another difficulty. My written English isn't very good either.
是的，这主意不错。但我还有另外一个难题。我的书面英语也不好。