backbone

大学 FREQ #14649 ★☆☆☆☆

n. 脊椎, 志气, 骨干, 支柱 [计] 主干网, 主干网点

发音

UK /ˈbækˌbəʊn/
US /ˈbækˌboʊn/

词形变化

backbones 复数 backbones

别名

back-bone back bone

教材释义与例句

名词

支柱;主干网;决心,毅力;脊椎

释义与例句

n.
  1. 1.

    The series of vertebrae, separated by disks, that encloses and protects the spinal cord, and runs down the middle of the back in vertebrate animals.

    骨干

    脊骨

    背骨

    脊椎

    可数 不可数
  2. 2.

    Any fundamental support, structure, or infrastructure.

    可数 比喻 不可数

    Before automobiles, railroads were a backbone of commerce.

  3. 3.

    Courage, fortitude, or strength.

    比喻 不可数 可数

    He would make a good manager, if he had a little more backbone.

词汇关系

相关短语

词源

From Middle English bakbon, bakebon, bac-bon; equivalent to back + bone. Compare the semantically analogous English ridgebone.

来源:wiktionary