a type of cover made of a material that does not burn very easily, that you throw over flames to put them out or stop them from spreading

The trunk contains standard safety equipment, such as flares, a first aid kit, fire extinguisher and safety blankets. 汽车后备箱里装有标准的安全设备，如照明弹、急救箱、灭火器和安全毯等。

Safety blankets can be used to extinguish a fire on a person. 安全毯可用于扑灭人身上的火。

a type of cover made of or covered with a very thin sheet of metal, used for keeping people warm in emergency situations

Her rescuers led her, wrapped in a safety blanket, out of the forest. 救援人员给她裹上安全毯，带她离开了森林。

Try lining the base of your tent with a metallic safety blanket, shiny side up. 试着在帐篷的底部铺上金属安全毯，亮晶晶的一面朝上。

something familiar that makes you feel safe or confident

A reliable newspaper is a kind of safety blanket - a point of reference at a fixed point in the day. 一份可靠的报纸就像是一条安全毯，是每天会在某个固定的时间出现的参考物。

I'd got over the shock of leaving behind my urban safety blanket, with its 24-hour shops and nightlife on tap. 我已经克服了远离城市所带来的冲击，城市于我而言就像是一条安全毯，那里有24小时营业的商店和夜生活。