久青草国产手机视频免费观看_毛片网站是多少_亚洲视频中文_一区二区高清在线

backbone

英 ['b?kb??n] 美['b?k'bon]
  • n. 支柱;主干網;決心,毅力;脊椎

TEM4TOEFL低頻詞擴展詞匯

詞態變化


復數:?backbones;

英文詞源


backbone (n.)
"spine," early 14c., from back (n.) + bone (n.). Figurative sense of "strength of character" is attested from 1843.

雙語例句


1. Petty officers are the backbone of a navy.
軍士是海軍的骨干。

來自柯林斯例句

2. Agriculture forms the backbone of the rural economy.
農業是農村經濟的基礎。

來自《權威詞典》

3. The wounded soldiers showed much backbone before the enemy.
受傷的士兵在敵人面前表現出了威武不屈的精神.

來自《簡明英漢詞典》

4. Agriculture used to be the economic backbone of this country.
農業曾是這個國家的經濟支柱.

來自《簡明英漢詞典》

5. Standing up to bullies takes plenty of backbone.
勇敢地對付暴徒需有大無畏精神.

來自《簡明英漢詞典》