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linchpin

英 ['lɪn(t)ʃpɪn] 美['lɪntʃpɪn]
  • n. 关键(等于lynchpin);制轮楔;轮辖

英英释意


1. a central cohesive source of support and stability;
"faith is his anchor"
"the keystone of campaign reform was the ban on soft money"
"he is the linchpin of this firm"
2. pin inserted through an axletree to hold a wheel on