crash helmet
noun /ˈkræʃ helmɪt/
/ˈkræʃ helmɪt/
- enlarge imagea hat made of very strong material and worn to protect the head when riding a motorcycle or driving a racing car
(骑摩托车的)防护头盔,安全帽 Topics Clothes and Fashionc1, Transport by car or lorryc1