重要成员；栋梁，中坚
a very important member or part of a group, organization, system, etc.
Mrs Maple is a pillar of the local church. 梅普尔夫人是当地教会的骨干。
Equality is one of the pillars of socialism. 平等是社会主义理论的重要组成部分之一。
Ragulin was a pillar of the hockey team.
My mother is a pillar of strength to everyone in the family.
They both identified shared dinners as a pillar of their marriage.
See also: pillar