| 词组 | back door; backdoor |
| 释义 | back door; backdoor noun 1 the anus and rectum UK, 1694. 2 in sports, the advancement of a team in a playoff situation as a result of the actions of another team US, 1952. 3 in a group motorcyle ride, the last rider in the group, usually the most experienced; the final citizens' band radio user in a convoy US, 1976. 4 a surreptitious way of entering a protected system or website, made possible by a weakness in the system US, 1990.► go out the back doorto back down from a confrontation US, 1981 |
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