| 释义 |
back.bone BONESH5bAk7bEJn, $-boJnn [C]the SPINE BONE脊椎骨She stood with her backbone rigid. [C]她笔直地站着。(fig.) The Pennines are the backbone (= central row of mountains) of England. [C]本宁斯山脉是英国的主干山脉。The backbone of something is the most important part of it and gives it support and strength.支柱，骨干Farming and cattle-raising are the backbone of the country's economy. [U]农业和畜牧业是这个国家经济的主要成分。They have been the backbone of the local golf club for years. [U]几年来他们一直是当地高尔夫俱乐部的骨干力量。
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