adj.辗轧的；刺耳的；不调和的；震惊的
n.辗轧声；震动；冲突
动词jar的现在分词形式.
The annular clamped diaphragm is extensively insensitive to jarring or vibration. 环形固定的膜片对振动或震动有抵抗性。
It also reduces impact, meaning no jarring or pounding on joints and bones. 水也能减缓冲击力，意即不会对筋骨造成强大撞击或剧烈震动。
