基本解释n.[计算机] DOS命令 : 设置或改变当前联机的子目录同根派生 英汉例句His sense of humour was a useful buffer when things were going badly for him.他有幽默感，这使他在逆境中聊以自慰。Buffers absorbed most of the shock.缓冲器使震动减少了许多。