Linchpin
n. 制轮楔, 关键
✅ 同义词
📖 牛津释义
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.
🗣️ 情景例句
It's midnight.
都午夜了。
You think this is funny?
你认为这个很有趣？
Skating is interesting.
滑冰很有趣。