| 单词 | linchpin |
| 释义 | linchpin n 1 pin passed through the end of an axle to keep the wheel in position 轮辖; 制轮楔. 2 (fig 比喻) person or thing that is vital to an organization, plan, etc （组织、 计画等中）关键性的人或事物 Controlling wages is the linchpin of the Government´spolicies. 控制工资是政府政策的关键. |
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