戴头盔

wear a hat───戴帽子

crash helmet───安全帽；（飞行员，摩托车驾驶员等的）防撞头盔

hear a peep───听到偷窥声吗

space helmet───[航]宇宙飞行帽

wear a cape───穿斗篷

wear a coat───穿件外套

wear a collar───戴项圈

wear a fleece───穿羊毛衫

wear a suit───穿着套装

On a bike you must wear a helmet.───在骑自行车的时候，请你戴上头盔。

You have to wear a helmet .───你不得不戴上头盔。

He said: " all visitors to the site must wear safety helmet, I wear a helmet for my own safety. "───美国代表疑惑不解，摇头不干，说：“我戴安全帽是为了我自己的安全，不是给哪一位领导看的。”

Of the parents surveyed, 67% said the fear of neck injury was the most important reason their children did not wear a helmet.───67%的受访家长表示没给他们的孩子戴头盔的最重要原因是担心孩子颈部受到伤害。

They are the reasons causing accidents tragedy that not wear a helmet, speeding, drunken driving, these tragedy caused many families broken.───不戴安全帽，超速行驶，醉酒驾驶，这些都是造成车祸悲剧发生的原因，这些悲剧造成了许多家庭的破碎。

On which part of our bodies do we wear a helmet?───我们在身体的哪部分戴头盔的呀？

Wear a helmet if you do sports that recommend one, as both Mars and Uranus are in Aries, the sign of the head.───有必要的情况下一定要使用头盔等护具，这是由于火星和天王星都位于象征头部的白羊座。

Wear a helmet when riding helmet should not feel tight, and wrap a head of strangulation caused shortness of breath.───戴头盔骑车时不应感到头盔紧勒脖子并紧裹头部引起呼吸不畅。

I will always wear a helmet when bicycling.

Wear a helmet, especially if using fast roads.

Your entire life is at hazard unless you wear a helmet when you ride your motorcycle.

Do yourself a favour and wear a helmet on the bike.