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
语法信息
有生性状态
无生命
形态构成
复合词
可数
复数形式
crash helmets
例子
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。



























