crash helmet

英 美
  • n.防护帽
  • crash v.撞击;坠毁;发出巨响;崩溃;破产;宿夜n.轰隆声;猛撞;崩溃;暴跌;垮台;粗布adj.速成的
  • helmet n.头盔;安全帽
Noun:
  1. a padded helmet worn by people riding bicycles or motorcycles; protects the head in case of accidents