helmet
noun [ C ] uk/ˈhel.mət/ us/ˈhel.mət/
B2 头盔，安全帽
a strong, hard hat that covers and protects the head
a crash helmet 防撞头盔
a bicycle helmet 摩托车头盔
- More examples
- It's very risky to ride your bike without wearing a cycle helmet.
- To keep the helmet in position, fasten the strap beneath the chin.
- Is the strap on this helmet adjustable?
- He pulled on his helmet and straddled the motorbike.
- You cannot come onto the building site unless you're wearing a helmet.