motorcycle safety helmet
常见例句
- Voluntary safety helmet use by those accident-involved motorcycle riders was lowest for untrained, uneducated, young motorcycle riders on hot days and short trips.
事故摩托车手中未受培训的、未受教育的、年轻的人群在天热或短途时自愿佩戴头盔的比例最低。 返回 motorcycle safety helmet