seat belt
柯林斯词典
1. N-COUNT A seat belt is a strap attached to a seat in a car or an aircraft. You fasten it across your body in order to prevent yourself being thrown out of the seat if there is a sudden movement or stop. (汽車、飛機座椅上的) 安全帶
The fact I was wearing a seat belt saved my life. 我系著安全帶，幸免於難。
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