2.As the match began, I was alarmed to see that the other team was wrestling without headgear, a kind of light helmet designed to protect a wrestler"s ears.
比赛开始时，我吃惊地发现对方选手在摔跤时没有戴头盔，那是一种轻型的头盔，用来保护摔跤选手的耳朵。
3.In Da Nang, helmet wearing increased from 27 to 99%.
在岘港市，头盔佩戴率从原来的27%上升到99%。
4.The sergeant of police took off his helmet and wiped his forehead.
警官摘下头盔，擦了擦前额。
5.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。
6.People hate to wear a helmet because it's thick and heavy.
人们不喜欢戴头盔，因为它又厚又重。
7.In football, you wear a helmet. In baseball you wear a cap!
