| 例句 |
All new cars are now fitted with these safety devices.现在所有的新车都装有这类安全装置。These are safety devices to ensure workers against accidents.这些安全设施是为了保护工人不出事故。The National Association for Elevator Safety says that most elevators have safety devices that prevent free-falls.国家电梯安全协会说大多数电梯都有防止自由坠落的安全装置。The police went to the extremes of installing the most advanced safety devices in the man's house.警察们极端到在那个人家里安装最为先进的安全装置的地步。 |