backdoor的翻译，读音
英/.bæk'dɒ:/
释义：
a. 秘密的
n an undocumented way to get access to a computer system or the data it contains
n an entrance at the rear of a building
n a secret or underhand means of access (to a place or a position)
n an undocumented way to get access to a computer system or the data it contains
n an entrance at the rear of a building
n a secret or underhand means of access (to a place or a position)