顶梁柱的英文：
pillar
backbone

参考例句：

He had come out to Hollywood expecting to be treated like a wheel and, like most authors, had been treated like shit .
他来到好莱坞，本来指望人家把他当作顶梁柱来重用，而实际上却像大多数作家一样被当成了狗屎堆。

pillar是什么意思：
n. 柱子，支柱；纪念柱；中流砥柱；富有某种素质的人

windshield pillar
风挡柱

pillar and post work
柱式开采

The pillars have to support the weight of the roof.
这些柱子须承受屋顶的重量。

Failures are the pillars of success
失败是成功之母

He is a pillar of the community.
他是社区事业的中流砥柱。

backbone是什么意思：
n. 脊梁骨，脊椎；支柱；决心，毅力

They are the backbone of the party.
他们是政党的骨干。

He has no backbone.
他缺少毅力。

These men are the backbone of the country.
这些人是国家的中坚力量。

The backbone is an articulate structure.
脊椎骨是一种关节相连的结构。

They are the backbone of the scientific and technological contingents.
他们是科技队伍的骨干力量。