motorcycle safety helmet
常見例句
- Voluntary safety helmet use by those accident-involved motorcycle riders was lowest for untrained, uneducated, young motorcycle riders on hot days and short trips.
事故摩托車手中未受培訓(xùn)的、未受教育的、年輕的人群在天熱或短途時(shí)自愿佩戴頭盔的比例最低。 返回 motorcycle safety helmet