单词 | linchpin |
释义 | linchpin/ˈlɪn(t)ʃpɪn /(also lynchpin) noun 1A pin passed through the end of an axle to keep a wheel in position.He put the wheel back and secured it with a new linchpin, which he carved from a piece of wood. 2A person or thing vital to an enterprise or organization: nurses are the linchpin of the National Health Service...
OriginLate Middle English: from Old English lynis (in the sense 'linchpin') + pin. |
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