
好词典

源自拉丁语 'de-'(向下)+ 'celerare'(加速),17世纪通过法语进入英语,字面意思为'取消加速'。
❶ 指物体运动速度逐渐减慢的过程或现象,常用于描述车辆减速、经济放缓等场景。
“The car's deceleration was smooth as it approached the traffic light.”
(汽车接近交通灯时减速过程很平稳。)
“Economic deceleration is expected in the third quarter.”
(预计第三季度经济将出现放缓。)
rapid deceleration — 指速度在短时间内明显降低,常见于紧急刹车或碰撞前的情形。
“The airbag deployed during rapid deceleration.”
(安全气囊在车辆急速减速时弹出。)