backbone

美 [ˈbækˌboʊn]
英 [ˈbækˌbəʊn]
  • n.骨干;支柱;脊柱;骨气
  • 网络脊骨;主干;脊椎
复数:backbones  
BackBone
n.
1.
[c]
脊梁骨;脊柱the row of small bones that are connected together down the middle of the back
2.
[sing]
支柱;骨干;基础the most important part of a system, an organization, etc. that gives it support and strength
Agriculture forms the backbone of the rural economy.
农业是农村经济的基础。
3.
[u]
毅力;骨气the strength of character that you need to do sth difficult
He doesn't have the backbone to face the truth.
他没有面对现实的勇气。

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