linchpin
n. 制轮楔；轮辖；关键
异体字：lynchpin
近义词：kingpin，fulcrum，cornerstone，hub，essential，prerequisite，sinequanon，requirement，lynchpin，backbone，keystone，mainstay，anchor，
英英释义
Noun
- 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"
- pin inserted through an axletree to hold a wheel on
例句
用作名词(n.)
- Controlling wages is the linchpin of the Government's policies.控制工资是政府政策的关键。
- He is the linchpin of this firm.他是这家公司的关键人物。