| 单词 | pin tumbler |
| 释义 | pin tumbler (extremely rare) n WORD FAMILY pin tumbler USAGE EXAMPLESMedeco, he said, was founded on a simple idea: “Pin tumbler locks move up and down. Slate(Mar 13, 2013) n cylindrical tumblers consisting of two parts that are held in place by springs; when they are aligned with a key the bolt can be thrown Syn|Hyper pin tumbler a movable obstruction in a lock that must be adjusted to a given position (as by a key) before the bolt can be thrown |
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