Backdoor
01
后门, 后入口
an entrance at the rear of a building
02
后门, 秘密通道
a secret or underhand means of access (to a place or a position)
03
后门, 隐藏访问
an undocumented way to get access to a computer system or the data it contains
后门, 后入口
后门, 秘密通道
后门, 隐藏访问
