crash helmet是什么意思 crash helmet怎么读
crash helmet的英文翻译是什么意思，词典释义与在线翻译
Noun:- a padded helmet worn by people riding bicycles or motorcycles; protects the head in case of accidents
crash helmet的相关资料
crashv.撞击；坠毁；发出巨响；崩溃；破产；<俚>宿夜n.轰隆声；猛撞；崩溃；暴跌；垮台；粗布adj.速成的
crashboatn.救生艇
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