n. （隔离两个表面的）垫( cushion的名词复数 ); 垫子; 起保护（或缓冲）作用的事物; （台球等运动） （台球桌内侧边缘的）弹性衬里
英文释义
n a mechanical damper; absorbs energy of sudden impulses
n the layer of air that supports a hovercraft or similar vehicle
n a soft bag filled with air or a mass of padding such as feathers or foam rubber etc.
v protect from impact