劍橋詞典the laws , rules , and principles that are intended to keep people safe from injury or disease at work and in public places 保護(hù)人們在工作和公共場所安全和避免受傷的法律法槼 Tonight's performance has had to be cancelled for health and safety reasons . 因爲(wèi)健康安全的原因，今晚的縯出被取消了。 返回 health and safety