backbone

英['bækbəun]美['bæk,bon]

n. ,
1.[C]脊骨,脊柱
2.主（山）脉，干脉
3.支柱；骨干；基础
4.[U]骨气；坚毅，毅力

形容词：back'boned'

同反义词

同：	[n.] back, grit, keystone, spine

词义辨析

courage，bravery，backbone，nerve

这些名词都可表示“勇气、胆量”之意。
courage普通用词。指面对危险或困难时无所畏惧的精神和敢于奋斗的进取心。
bravery指在危险中表现出的无所畏惧精神或在逆境中仍能坚持下去的毅力。
backbone指性格倔强，意志坚定，有骨气，有顽强的决心去做某事。
nerve侧重指面临危险或在冒险的情况下具有冷静、清醒的头脑和坚定无畏的勇气。

参考例句

Backbone providers are the Internet players that typically own and lease long-haul fiber-optic cables spanning a large region.
主干网提供商是因特网的玩家，典型的主干网提供商拥有和出租覆盖广阔地区的远程光纤网。收藏
What is a backbone provider and why is it important on the Internet?
什么是主干网提供商？为什么它对因特网很重要收藏
displayed grit and backbone in facing adversity.
面对逆境和苦难时显示出刚毅和勇气收藏
Backbone: In a local area network (LAN) multiple-Bridge ring configuration, a high-speed link to which the rings are connected by means of bridges.
中枢链路是在局域网多路桥接形配置中使用的一种高速链路，许多本地环形网络借助桥接器与其相连。收藏
They are the true elite of this country, the backbone that makes England stand tall and strong among nations
他们是这个国家的真正精华，是使英国比其它国家高大和强壮的中坚支柱。收藏

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英英解释

名词解释：

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
[同] keystone, anchor, backbone, linchpin, lynchpin, mainstay
fortitude and determination
- he didn't have the guts to try it
[同] grit, gumption, guts, backbone, moxie, sand

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