helmet
英 /ˈhelmit/
中文释义
n.头盔，钢盔
A protective headgear worn during activities like biking or construction.
常用搭配
- safety helmet安全帽
- crash helmet防撞头盔
- wear a helmet戴头盔
例句
- Always wear a helmet when cycling.骑车时一定要戴头盔。
- Hard helmets are required on site.工地上必须戴安全帽。