1.We put on helmets for precaution.

以防万一还戴上了头。

2.The mummers doffed their helmets, and began to eat and drink.

演员们把头摘下来，开始吃喝起来。

3.A metal cross he found at Ground Zero awards his helmets.

他在世遗址上找到一个金属十字架放在他头上。

4.The sun grew warmer and they took their helmets off and carried them.

阳光变得更暖了。他们把头摘下来带着走。

5.It is much safer for the children to wear safety helmets when biking.

在骑自行车时戴上安全帽对于孩子会更安全。

6.Maybe grab a helmet or a bike helmet.

也许顺手抓起一个头或一个自行车头。

7.14. It is much safer for the children to wear safety helmets when biking.

在骑自行车时戴上安全帽对于孩子会更安全。

8.Trials using mobile stroke helmets in ambulances are scheduled to start in the fall.

而在急救车上使用移动风探头试预计将于今秋季开始进行。

9." You don't say, so how come we're not all wearing those cow helmets" ?

不见得吧，那我们为什么不是个个都带着那种牛皮头呢?

10.Armed National Guardsmen in helmets and camouflage rumbled through Manhattan in convoys.

全副武装、头戴钢、身着迷彩服国民警卫队员车队隆隆地驶过曼哈顿。

11.Get off there. Give me back my Iron Man helmet.

快滚开。把我钢铁侠头还给我。

12.210 and you throw in the Iron Man helmet.

二百一 再送个《钢铁侠》里头。

13.He turned and smacked the top of Hiro's helmet.

他转过头在小宏头上拍了一下。

14.I mean, you both wear helmets to work.

我意思是，你们都戴着头干活。

15.Normally, I wear my lucky helmet, which has the lucky cat on the back.

通常情况下我会戴我幸运头，它后面画有幸运猫。

16.It was designs of the helmets of stormtroopers.

是冲锋队头设计。

17.Let me just straighten out your helmet there.

让我帮你把头戴好。

18.She gave Zach good reasons for wearing a helmet.

她向扎克提出了戴安全头恰当理由。

19.They wear helmets to protect their heads and gloves to protect their hands.

他们头上戴着头保护头部，双手戴着手套保护。

20.Always wear a helmet when you ride a motorcycle.

骑乘机车一定要戴安全帽。