shock absorber

shock-absorber的词性：
n.（名词）

1. A device used to absorb mechanical shocks, as a hydraulic or pneumatic piston used to dampen the jarring sustained in a moving motor vehicle.
减震器：一种用于承受机械震荡的装置，比如用来降低机动车辆内部的震动的水力或气压活塞