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 doesn't take long for most pop icons to become yesterday's news.
大多数偶像明星很快就会成为昨日黄花。
In secondary school, children study history and geography.
中学的小孩会读历史和地理。
There are many stars in the sky.
天上有很多星星。