佩带头盔和护具——许多骑摩托车的人、骑自行车的人和滑板的人，等等，他们不佩带任何护具到处穿行。
Wear Helmets and protective body gear - How many motorcyclists, bicyclists, skateboarders, etc. do see foolishly blazing around without wearing any form of protective body gear?
佩带头盔和护具——许多骑摩托车的人、骑自行车的人和滑板的人，等等，他们不佩带任何护具到处穿行。
Wear Helmets and protective body gear - How many motorcyclists, bicyclists, skateboarders, etc. do see foolishly blazing around without wearing any form of protective body gear?
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