词典释义：
a bag of cloth stuffed with a mass of soft material, used as a comfortable support for sitting or leaning
软垫，垫子。
something providing support or protection against impact
（抗冲击的）支撑物，防护物；缓冲垫，减震垫
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underlay forms a cushion between carpet and floor 地毯垫在地毯和地板之间构成了保护层
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figurative 〈喻〉he scored to restore Celtic's two-goal cushion .他进了球，恢复了凯尔特人队的两球领先局面。
the elastic lining of the sides of a billiard table, from which the ball rebounds
桌球弹性护边。
the layer of air supporting a hovercraft or similar vehicle
（气垫船等的）气垫。
soften the effect of an impact
缓冲
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the bag cushions equipment from inevitable knocks .袋囊可以缓冲设备受到的不可避免的碰撞。
〈喻〉 减轻…的不利作用
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to cushion the blow, wages and pensions were increased .为了降低冲击，工资和养老金增加了。
"Middle English： from Old French
