单词	air cushion
释义	air cushion noun 1 : an airtight inflatable cushion 2 : a mechanical device using confined air for arresting motion without shock Word History First Known Use 1807, in the meaning defined at sense 1
随便看	sirmark Sirmian Sirmilik National Park Sirmuellera Sirobasidiaceae siroc sirocco siroccos sirocs sirop sirra sirrah sirrahs sirras sirred sirree sirrees sirring sirs sirtaki siruaballi sirup siruped siruper siruping

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