halfback

halfback的音标为[hɑːfˌbæk]，基本翻译为“后卫；半场球员”。速记技巧为：将单词拆分为half和back，其中back是单词常用组成部分，意为“背部”或“后面”。通过联想记忆，可以想象一个球员在比赛中站在球场中间，另一位球员站在他身后，他就是“后卫”。

Halfback这个词的词源可以追溯到古英语，意为“一半的场地”。它的变化形式包括复数形式“halfbacks”和过去式形式“halfbroke”。

相关单词：

1. Halfback - 中卫，踢球手，半场球员

2. Halftime - 中场休息，半场时间

3. Halfback injury - 足球术语，指球员在半场中受伤

4. Halfback pass - 足球术语，指半场中传球给队友

5. Halfback kick - 橄榄球术语，指在半场中踢球

6. Halfback running - 橄榄球术语，指半场中的进攻方式

7. Halfback to fullback - 足球术语，指从半场到后场的传球

8. Halfback to center - 篮球术语，指从半场到中场的传球

9. Halfback to halfback - 篮球术语，指从后场到前场的传球

10. Halfback to forward - 足球术语，指从后场到前场的传球和进攻方式

Halfback这个词在各种运动中都有广泛的应用，因为它在比赛中扮演着重要的角色。它需要快速移动和准确的传球技巧，以便在比赛中取得优势。同时，这个词也反映了运动中团队合作的重要性。

常用短语：

1. halfback to defense

2. halfback to offense

3. run behind the halfback

4. pass to the halfback

5. intercept the ball from the halfback

6. make a good pass to the halfback

7. assist the halfback

双语例句：

1. The halfback quickly changed direction and ran behind the defense line. (英语)

2. The quarterback passed the ball to the halfback, who made a great catch. (中文)

3. The halfback intercepted the ball and ran it back for a touchdown. (中文/英语)

4. The halfback made a perfect pass to the receiver, who caught it for a score. (中文)

5. The defense helped the halfback by making a good tackle on the runner. (英语)

6. The halfback was instrumental in leading the team to victory. (英语)

7. The halfback was a key player on the team, always assisting his teammates with good passes. (中文)

英文小作文：

Halfback is a crucial position in football, responsible for controlling the ball and passing it to teammates. When I was young, I always dreamed of being a halfback and leading my team to victory. I would run behind the defense line, making sure to keep possession of the ball and make good passes to my teammates. I would also help my teammates by making tackles and blocking opponents, ensuring that our team had a strong defense and offense. In my opinion, being a halfback requires not only physical strength and speed, but also intelligence and teamwork skills. It is an exciting and challenging position that requires constant adjustment and adaptability. If I could be a professional football player, I would definitely want to be a halfback because it is an exhilarating experience that I would love to share with my teammates and fans.