backbones是什么意思？

backbones

英['bækbəʊnz] 美['bækboʊnz]

例句

柯林斯高阶英汉双解学习词典释义

N-COUNT

脊柱

Your backbone is the column of small linked bones down the middle of your back.
N-SING

中坚力量；骨干；支柱

The backbone of an organization or system is the part of it that gives it its main strength.
例句
The small business people of Britain are the economic backbone of the nation. 英国的小商人是国家经济的支柱。
N-UNCOUNT

骨气；勇气

If you say that someone has no backbone, you think they do not have the courage to do things which need to be done.
例句
You might be taking drastic measures and you've got to have the backbone to do that. 你也许要采取极端的措施，你必须有勇气那么做。

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