Backbone

['bækbəʊn] or ['bæk'bon]

解释:

(noun.) the part of a network that connects other networks together; 'the backbone is the part of a communication network that carries the heaviest traffic'.

(noun.) fortitude and determination; 'he didn't have the guts to try it'.

编辑:娜塔莎--From WordNet

解释:

(n.) The column of bones in the back which sustains and gives firmness to the frame; the spine; the vertebral or spinal column.

(n.) Anything like , or serving the purpose of, a backbone.

(n.) Firmness; moral principle; steadfastness.

录入:特德

同义词及近义词：

n. [1]. Spine, spinal column, vertebral column.[2]. Firmness, nerve, resolution, courage, pluck, hardihood, manhood.

录入:温思罗普