| 单词 | linchpin |
| 释义 | linchpin /linch"pin'/, n. 1. a pin inserted through the end of an axletree to keep the wheel on. 2. something that holds the various elements of a complicated structure together: The monarchy was the linchpin of the nation's traditions and society. Also, lynchpin. [1350-1400; unexplained alter. of ME lynspin, equiv. to lyns, OE lynis axle-pin (c. G Lünse) + pin PIN] |
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