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	pulmometry pulmon- pulmonal Pulmonaria pulmonary pulmonary artery pulmonary cavity pulmonary circulation pulmonary heart pulmonary sac pulmonary vein Pulmonata pulmonatae pulmonatas pulmonate pulmonated pulmonates pulmoni- pulmonic pulmonics pulmonifer Pulmonifera pulmoniferous pulmono- pulmonocardiac

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