safety belt

noun
🔊/ˈseɪfti belt/
🔊/ˈseɪfti belt/
(also seat belt)
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  1. a belt that is attached to the seat in a car or a plane and that you fasten around yourself so that you are not thrown out of the seat if there is an accident(汽车或飞机上的)安全带Topics Transport by airb1, Transport by car or lorryb1