teaching linchpin教学关键
Linchpin Labs出品公司
Linchpin Brand关键品牌
Left linchpin左辖
Right linchpin右辖
linchpin and gear conduct销齿传动
the linchpin of the company公司的支柱
three-component linchpin coupling三组分的linchpin串联反应
N-COUNT（可数名词） If you refer to a person or thing as the linchpin of something, you mean that they are the most important person or thing involved in it. 关键性人物(或事物) [with supp, usu N 'of' n]
He's the linchpin of our team and crucial to my long-term plans.
他是我们团队的关键人物，对我的那些长远计划很重要。