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
Why don't you call back later this afternoon?
你何不今天下午再来电话呢？
To play with his son
和儿子玩耍
Bad luck! said Mother. It doesn't matter!
“真糟糕！”妈妈说，“没关系！”