adj.輾軋的；刺耳的；不調和的；震驚的
n.輾軋聲；震動；沖突
動詞jar的現在分詞形式.
The annular clamped diaphragm is extensively insensitive to jarring or vibration. 環(huán)形固定的膜片對振動或震動有抵抗性。
It also reduces impact, meaning no jarring or pounding on joints and bones. 水也能減緩沖擊力，意即不會對筋骨造成強大撞擊或劇烈震動。
