back·bone /-ˈbon, ˌbon/
脊椎,志氣,骨幹,支柱 ; 主幹,(網絡中主要計算機間的連接線路, 在網絡主幹上有一些連著局域網絡的分支)
back·bone /-ˈbon, ˌbon/ 名詞
1. The column of bones in the back which sustains and gives firmness to the frame; the spine; the vertebral or spinal column.
2. Anything like , or serving the purpose of, a backbone.
The lofty mountains on the north side compose the granitic axis, or backbone of the country. --Darwin.
We have now come to the backbone of our subject. --Earle.
3. Firmness; moral principle; steadfastness.
Shelley's thought never had any backbone. --Shairp.
To the backbone, through and through; thoroughly; entirely. “Staunch to the backbone.”
n 1: a central cohesive source of support and stability; "faith
is his anchor"; "the keystone of campaign reform was the
ban on soft money"; "he is the linchpin of this firm"
[syn: anchor, mainstay, keystone, linchpin, lynchpin]
2: fortitude and determination; "he didn't have the guts to try
it" [syn: grit, guts, moxie, sand, gumption]
3: the series of vertebrae forming the axis of the skeleton and
protecting the spinal cord; "the fall broke his back"
[syn: spinal column, vertebral column, spine, back,
4: the part of a network that connects other networks together;
"the backbone is the part of a communication network that
carries the heaviest traffic"