| 1. | Both men were wearing hard hats and protective ear pads .
两人都戴着安全帽和护耳垫。 |
| 2. | Wear your safety helmet when you go down. do n't take any risks .
戴上安全帽再下去，不要冒险。 |
| 3. | It ' s hot and annoying to wear a helmet in summer
在夏天戴安全帽既热又麻烦。 |
| 4. | Why should you wear a full - face helmet
为什麽你应该穿戴一顶全罩式的安全帽？ |
| 5. | A : you ' ll have to wear this hard hat for the tour
参观时必需戴上这安全帽。 |
| 6. | Now do you know you wear a helmet
现在你知道为什麽你每次都该戴安全帽了吧 |
| 7. | Well , it sounds very manly . do you wear a hardhat
听起来很有男子气概你戴安全帽吗？ |
| 8. | It is not safe to ride a bike without a helmet
骑摩托车不戴安全帽很危险。 |
| 9. | All visitors to the site must wear safety helmet
到工地的所有参观者必须带上安全帽。 |
| 10. | Wearing helmets can help prevent severe head injuries
戴安全帽有助于预防脑部的重伤。 |
