常见例句双语例句The list of directories acts like a stack -- you push a directory onto the top of the stack, and pop a directory off the top again to get it back.该目录列表的行为就像一个堆栈——您将一个目录压入堆栈顶部,并从顶部弹出一个目录以取回它。 返回 push-off stack