| n 用法:
1 [C] line of bones down the middle of the back from the skull to the hips; spine; spinal column 椎骨; 脊柱; 脊椎. =>illus at skeleton 见skeleton之插图. 用法:
2 [sing] (fig 比喻) chief support 中坚; 栋梁:
Such people are the backbone of the country. 这样的人是国家的栋梁. 用法:
3 [U] (fig 比喻) strength; firmness 力气; 坚定性:
He has no backbone, ie lacks stamina, perseverance, strength of character, etc. 他没有脊梁骨（缺少体力、毅力、坚强的性格等）. 用法:
4 (idm 习语) to the `backbone thoroughly 彻底地. |