1
be the backbone of sth
固定搭配，表示某事物的主要支撑。
Small businesses are the backbone of the economy.
小企业是经济的支柱。
脊柱；脊椎
先理解核心含义，再看它在真实句子里的用法。
脊柱；脊椎
The row of small bones in the middle of the back that protects the spinal cord; the spine.
Small businesses are the backbone of the economy.
小企业是经济的支柱。
The series of vertebrae, separated by disks, that encloses and protects the spinal cord, and runs down the middle of the back in vertebrate animals.
支持和稳定的核心凝聚力
a central cohesive source of support and stability
Any fundamental support, structure, or infrastructure.
勇气和决心
fortitude and determination
He is the backbone of our team, always keeping everyone motivated.
他是我们团队的中坚力量，总是让每个人都保持积极性。
Small businesses are the backbone of the local economy.
小企业是当地经济的支柱。
The internet backbone relies on a network of undersea cables.
互联网主干网依赖于海底电缆网络。
固定搭配，表示某事物的主要支撑。
Small businesses are the backbone of the economy.
小企业是经济的支柱。
指有骨气或勇气做某事。
He didn't have the backbone to stand up for his beliefs.
他没有勇气坚持自己的信念。
These policies provide the backbone for the country's economic growth.
这些政策为国家经济增长提供了支柱。
Not this
The old system backbones the network.
Use this
The old system is the backbone of the network.
Backbone 是名词，不可用作动词。应使用 be the backbone of 结构。
Not this
She is backbone of the organization.
Use this
She is the backbone of the organization.
Backbone 是可数名词，单数形式前需要冠词，这里缺少定冠词 the。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
…的支柱/骨干
Small businesses are the backbone of the economy.
小企业是经济的支柱。
缺乏骨气/勇气
He lacks the backbone to stand up for his beliefs.
他缺乏坚持自己信念的骨气。
有勇气做…
She has the backbone to tell the truth even when it's hard.
她有勇气说出真相，即使很难。
骨干网
The company upgraded its backbone network to handle more traffic.
公司升级了骨干网以处理更多流量。
道德支柱
The organization serves as a moral backbone for the community.
该组织是社区的道德支柱。
家庭支柱
After her father passed away, she became the backbone of the family.
父亲去世后，她成了家庭的支柱。
……的中坚/支柱
Small businesses are the backbone of the economy.
小企业是经济的支柱。
有骨气/勇气做……
She had the backbone to speak up against injustice.
她有勇气站出来反对不公。
完全地，彻头彻尾地
He is a gentleman to the backbone.
他是个彻头彻尾的绅士。
我是这家公司的脊梁。
Michael Scott often says he is the backbone of the company, but everyone laughs at him.
迈克尔·斯科特经常说他是公司的脊梁，但大家都嘲笑他。
Use backbone naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
脊梁骨（backbone）支撑身体，记住back（背）+bone（骨），团队也需要backbone（骨干）。
语域：mixed 常见场景：business、organizational support 该词在正式和非正式语境中均可使用，但更常见于描述组织或团队中的核心支撑部分。
Words starting with 'back-', such as 'back' and 'backache', share the same initial syllable /bæk/ with 'backbone'. Note that 'bone' as a separate word has primary stress (/boʊn/) and does not rhyme with the unstressed second syllable of 'backbone'. Also be careful with lookalikes like 'bank' (/bæŋk/) which has a nasal consonant, and 'bake' (/beɪk/) which has a different vowel sound.
Dictionary facts from ECDICT, WIKTIONARY.