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。 |