1·A man in a crash helmet was mounting a motorcycle.
一个戴着防撞头盔的男子正骑上一辆摩托车。
—— 《柯林斯英汉双解大词典》
2·He waved back, put down the kickstand, and took off his helmet.
他向后挥挥手，放下撑脚架，并脱掉他的头盔。
—— 《柯林斯英汉双解大词典》
3·He pulled on a battered old crash helmet with a scratched visor.
他戴上了一顶破旧的、面罩上已有划痕的防护头盔。
—— 《柯林斯英汉双解大词典》
4·Morpher is a bike helmet made from plastics.
Morpher 是一种由塑料制成的自行车头盔。
5·They made a tiny vest and helmet for her to wear.
他们给她做了一件小背心和头盔。
1·Helmet stickers can also be used.
也可以使用安全帽贴纸。
2·Before he starts he must put on two sets of protective clothing, four pairs of gloves and a helmet with breathing apparatus, all of which is taped up so that not a particle of skin is exposed.
在他工作之前，他要穿上两套防护服，四双手套，一个带有呼吸系统的安全帽，这所有的一切都是为了把自己规整的实在，确保没有一丁点的皮肤暴露在外。
3·Be sure to have a helmet on at building sites..
在建筑工地一定要戴上安全帽。
4·Yesterday, something wrong with the control cabinet, because of limited space inside the cabinet, I shot the trouble without the helmet on my head.
昨天厂里一台设备的控制柜出了故障，可是控制柜的空间很狭小，我就摘掉了安全帽在现场处理。
5·Now it's time to wear a lamp on your helmet like a mineworker to explore caves in darkness.
现在你可以像矿工一样，在安全帽上加上一盏探照灯，在黑暗中探索洞穴。