Crash helmet
01
摩托车头盔, 防护头盔
a hard round headgear with a visor that covers the face, worn to protect the head while riding a bike or driving a car
例子
The motorcyclist always wears his crash helmet for safety.
摩托车手为了安全总是戴着他的头盔。
She bought a new crash helmet before starting her cycling lessons.
她在开始骑自行车课程之前买了一个新的头盔。



























