backbone

'bækbәun

六级托福 Collins 1

n. fortitude and determination
n. the part of a network that connects other networks together

n. 脊椎, 志气, 骨干, 支柱
[计] 主干网, 主干网点

Collins 星级

9,598

BNC 频率

9,733

使用频率

backbone 由 back（背部）和 bone（骨头）组成，字面意思是“背部的骨头”，即“脊柱”，引申为支柱或核心的意思。

例句

1. The spine is the backbone of the human body.

脊柱是人体的脊梁。

2. Honesty is the backbone of a strong relationship.

诚实是坚固关系的支柱。

3. The team needs a strong leader as its backbone.

团队需要一个强有力的领导作为支柱。