The economic backbone of this country is the chemical industry.

这个国家的经济支柱是化学工业。

The backbone of this old book has been broken because it has been viewed too many times.

这本旧书由于被浏览的次数过多，书脊已经坏掉了。

His backbone was sprained in a car accident.

他的脊椎在车祸中扭伤了。

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

你的脊椎是在你背部中间向下的一小排相连的骨头

You might be taking drastic measures and you've got to have the backbone to do that.

你可能在采取极端措施，而且你得有骨气做它。

They ain't got any backbone.

她们没有骨气。

The Chinese people have backbone.

中国人民有骨气。

He doesn't have the backbone to face the truth.

他没有面对现实的勇气。

Agriculture forms the backbone of the rural economy.

农业是农村经济的基础。