back bones

• 背骨

英英释义

名词 backbone:

1. a central cohesive source of support and stability

2. fortitude and determination

3. the series of vertebrae forming the axis of the skeleton and protecting the spinal cord

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

5. the part of a network that connects other networks together