| 释义 |
back·boneBrE /ˈbækbəʊn/ NAmE /ˈbækboʊn/ noun [C ]the row of small bones that are connected together down the middle of the back 脊梁骨；脊柱SYN spine[sing. ]the most important part of a system , an organization , etc . that gives it support and strength 支柱；骨干；基础◆ Agriculture forms the backbone of the rural economy . 农业是农村经济的基础。[U ]the strength of character that you need to do sth difficult 毅力；骨气◆ He doesn't have the backbone to face the truth . 他没有面对现实的勇气。 |