英语词汇“crash helmet”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	crash helmet
释义	crash helmet a helmet for protecting the head in the event of an accident, worn by motorcyclists, automobile racers, etc. [1915-20]
随便看	facsim. facsimile facsimile catalog fact fact finder facticity faction factional factious factitious factitious disorder factitive factive fact of life factoid factor factorage factor analysis factor group factorial factoring factor IX. factorize factor of adhesion factor of production

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