n.减速（度）；降速；负加速度；制动（止）；熄灭，缩写词为dec

The car braked, causing a deceleration that sent the passengers forward in their seats.
汽车刹车，导致了减速，乘客们都向前冲了一下。
The plane experienced a sudden deceleration as it touched down on the runway.
飞机在降落跑道时突然减速。
The roller coaster descended with increasing deceleration, making the riders scream in excitement.
过山车加速下降，速度越来越慢，让乘客们兴奋地尖叫。
The driver applied the brakes to slow down the vehicle's deceleration during the emergency stop.
驾驶员紧急刹车以减缓车辆的减速过程。
The spacecraft's engines were fired, resulting in a gradual deceleration to enter Earth's atmosphere.
宇宙飞船启动引擎，逐渐减速进入地球大气层。
The train slowed down its deceleration as it approached the station, allowing passengers time to prepare for disembarkation.
火车在进站前减慢了速度，以便乘客有时间下车。
She skillfully managed the deceleration of her motorcycle to navigate the tight corner without losing control.
她巧妙地控制摩托车减速，顺利通过了狭窄的弯道。
The athlete's deceleration was crucial in their sprint, ensuring they crossed the finish line at the right pace.
运动员在冲刺中的减速至关重要，确保他们以恰当的速度冲过终点线。
The braking system on the old car was faulty, causing an excessive deceleration when pressing the pedal.
那辆旧车的刹车系统有问题，踩下踏板时会导致过快的减速。
The parachute deployed, providing a controlled deceleration for the skydiver as they fell back towards the ground.
降落伞打开，为跳伞者提供了平稳的减速，让他们安全返回地面。