crash helmet

crash helmet的音标为["kræʃheləm]，基本翻译为“头盔，防护帽”，速记技巧为：crash+helmet=头盔。

Crash helmet的英文词源：

Crash helmet这个词源自于法语的crâblettes，而crâblettes则是由crâblet（小帽）和-ette（表示小）构成的。crâblet是一个表示小帽子的词，这个词源自于拉丁语的criculatus，意为“用环（criculus）做成的帽子”。

Crash helmet的变化形式：复数形式为crash helmets。

相关单词：

1. bicycle helmet：自行车头盔 - 自行车和头盔都与交通有关，因此它们之间有很强的相关性。

2. motorcycle helmet：摩托车头盔 - 摩托车和头盔同样有很强的相关性。

3. ski helmet：滑雪头盔 - 滑雪和头盔也有相关性，特别是在滑雪时需要保护头部。

4. safety helmet：安全头盔 - 这是一个更一般的术语，用于描述任何用于保护头部安全的头盔。

5. hard hat：安全帽 - 这是在建筑工地等高风险环境中使用的头盔，通常由硬质材料制成。

6. equestrian helmet：马术头盔 - 马术和头盔也有相关性，特别是在骑马时需要保护头部。

7. football helmet：足球头盔 - 足球和头盔也有相关性，特别是在比赛中需要保护头部。

8. motorcycle crash helmet：摩托车防撞头盔 - 这是专门为防止摩托车事故中头部受伤而设计的头盔。

9. motorcycle safety helmet：摩托车安全头盔 - 这个词组与crash helmet相似，但强调了安全的重要性。

10. motorcycle protective helmet：摩托车防护头盔 - 这个词组强调了头盔的保护作用，适用于各种类型的摩托车。

常用短语：

1. crash helmet - 防撞头盔

2. wear a crash helmet - 戴防撞头盔

3. hit the head on crash helmet - 头部撞击防撞头盔

4. crash helmet safety - 头盔安全

5. motorcycle crash helmet - 摩托车防撞头盔

6. bicycle crash helmet - 自行车防撞头盔

7. bicycle safety helmet - 安全自行车头盔

8. motorcycle safety helmet - 安全摩托车头盔

双语例句：

1. I always wear a crash helmet when I ride my bike. (当我骑自行车时，我总是戴防撞头盔。)

2. The driver hit his head on the crash helmet and survived the accident. (驾驶员头部撞击了防撞头盔，在事故中幸存下来。)

3. Crash helmets are essential for motorcycle riders. (摩托车骑手佩戴防撞头盔是至关重要的。)

4. Bicycle riders should always wear a crash helmet when riding. (骑自行车时，骑自行车者应该始终佩戴防撞头盔。)

5. The crash helmet saved his life in that accident. (在那次事故中，防撞头盔救了他的命。)

6. Motorcycle safety helmets are designed to protect riders from head injuries in accidents. (摩托车安全头盔是为了在事故中保护骑手头部不受伤害而设计的。)

7. Crash helmets are a vital safety precaution for all cyclists. (对于所有骑自行车的人来说，防撞头盔是至关重要的安全预防措施。)

英文小作文：

The importance of wearing a crash helmet

Crash helmets are essential safety equipment for cyclists, as they can protect riders from head injuries in accidents. These helmets are designed to absorb the impact of a fall or collision, preventing damage to the brain and reducing the risk of permanent disability or death.

In fact, wearing a crash helmet is one of the simplest and most effective ways to ensure your safety when cycling. It is recommended that cyclists always wear a properly fitted crash helmet when riding, especially when riding on busy roads or in adverse weather conditions.

By wearing a crash helmet, you can reduce your chances of suffering a serious head injury in an accident, and ensure that you are able to continue enjoying the benefits of cycling without worrying about your safety. Therefore, it is essential that cyclists always remember to wear a crash helmet when they are out on their bike, and take every precaution necessary to ensure their safety.