police lock
US
noun
A device fitted in addition to a standard lock on a door or window to prevent it from being opened or to allow it to open only a certain distance.
Origin
Early 20th century; earliest use found in The New York Times.
| 单词 | police lock |
| 释义 | police lockUS noun A device fitted in addition to a standard lock on a door or window to prevent it from being opened or to allow it to open only a certain distance. Origin |
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