safety
词根词缀：
eighty num. 八十
fifty num. 五十
seventy num. 七十
sixty num. 六十
数据来源：新东方英语词汇速记大全
相关例句：
The report goes on to make a number of recommendations to improve safety on aircraft.
该报告接着给出了一系列改善飞机安全性能的建议。
He warned others about the live electric cables as they climbed to safety.
他们爬向安全地带的过程中，他提醒其他人当心带电的电缆。
Under pressure from the American government, Fiat and other manufacturers obeyed the new safety regulations.
在美国政府的压力之下，菲亚特和其他汽车制造商同意遵守新的安全规定。
They shut down the nuclear reactor for safety reasons.
出于安全原因他们关闭了核反应堆。
He stumbled through smoke and fumes given off from her burning sofa to pull her to safety
她的沙发着火了，他冒着浓烟跌跌撞撞地把她拉到安全的地方。
Organisers had consulted widely with police, stewards and safety officers to ensure tight security.
组织者广泛征询了警方、管事和保安的意见，以保证绝对安全。