记忆方法
将“backbone”想象为一个坚硬的“back”（背部），支撑着整个“bone”（骨骼）结构，象征着坚定的内在支撑或核心。这种视觉联想可以帮助记忆单词的含义。
以上内容由AI生成, 仅供参考和借鉴
英语词源
- backbone (n.)
- "spine," early 14c., from back (n.) + bone (n.). Figurative sense of "strength of character" is attested from 1843.
权威例句
- 1. Petty officers are the backbone of a navy.
- 军士是海军的骨干。
- 2. Agriculture forms the backbone of the rural economy.
- 农业是农村经济的基础。
- 3. The wounded soldiers showed much backbone before the enemy.
- 受伤的士兵在敌人面前表现出了威武不屈的精神.
- 4. Agriculture used to be the economic backbone of this country.
- 农业曾是这个国家的经济支柱.
- 5. Standing up to bullies takes plenty of backbone.
- 勇敢地对付暴徒需有大无畏精神.