backbone

courage, bravery, backbone, nerve

名词 backbone:

1. a central cohesive source of support and stability
   同义词：anchor, mainstay, keystone, linchpin, lynchpin
2. fortitude and determination
   同义词：grit, guts, moxie, sand, gumption
3. the series of vertebrae forming the axis of the skeleton and protecting the spinal cord
   同义词：spinal column, vertebral column, spine, back, rachis
4. the part of a book's cover that encloses the inner side of the book's pages and that faces outward when the book is shelved
   同义词：spine
5. the part of a network that connects other networks together

1. The backbone is an articulate structure.
   脊椎骨是一种关节相连的结构。
2. He has no backbone.
   他没有骨气。
3. These men are the backbone of the country.
   这些人是国家的中坚力量。

back.bone

n.（名词）
The vertebrate spine or spinal column.
脊骨：脊椎动物的脊椎或脊柱
Something, such as the keel of a ship, that resembles a backbone in appearance or position.
脊骨状物：在外观或位置上象脊柱的某些东西，如船的龙骨
A main support or major sustaining factor:
骨干，支柱：主要的支撑或重要的支撑因素：
例句：
the backbone of a thesis.
论文的主旨

Strength of character; determination:
骨气，毅力：性格上的勇气；决心：
例句：
displayed grit and backbone in facing adversity.
面对逆境和苦难时显示出刚毅和勇气

【引伸】
back.boned.
adj.（形容词）