A specific point in a program (usually indicated by a breakpoint flag) that requests interruption of the program to permit the user an opportunity to check, correct, or modify the program before continuing its execution.

• 程序中的一个指定点(通常由一个断点标志来指示),它请求程序中断以允许用户有机会在程序继续执行之前检查、校正或修改程序。