pillar of something怎么读，是什么意思，单词翻译、读音

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.