护帽的英文：
helmet

The helmet is padded with foam.
头盔以泡沫材料填充。

To cover or furnish with a helmet.
给戴头盔，戴上头盔

The man on the motorcycle wore a helmet.
骑摩托车的人戴了一顶头盔。

Their helmets glanced in the sunlight.
他们的钢盔在阳光下闪耀着。

The achievement on the helmet serves as a sign of honor.
头盔上的纹章牌是荣誉的象征。