| 单词 | seat belt | 
| 释义 | seat belt    also seatbelt       Word forms:  seat belts   countable noun B2   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.   The fact I was wearing a seat belt saved my life.    | 
	
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