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
I don't know.
我不知道。
If he doesn't pay, who will?
如果他不，谁要付账？
The city was equipped with a drainage system, for a great many clay pipes were found beneath the narrow streets.
城里甚至还敷设了排水系统，因为在狭窄的街道底下发现了许许多多陶土制作的排水管道。