An airbag is a safety device in a vehicle that inflates quickly during a collision to cushion and protect passengers from impact. It is usually located in the steering wheel, dashboard, or sides of the vehicle. When a crash occurs, sensors detect the sudden slowing down of the vehicle, triggering the airbag to inflate within milliseconds. The airbag helps reduce the risk of injury by absorbing the force of impact, preventing passengers from hitting hard surfaces inside the vehicle, such as the steering wheel or windshield. It is an important feature in modern vehicles for enhancing passenger safety.

“airbag”的英语定义和含义

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