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	how about how about it how about you how are you keeping how can how can/could how come how could how dare how dare (someone) how dare someone how do how do you do how do you like how do you like that how does that grab you how far how goes it? how is how it is how long is a piece of string how many how many times how should i know how should one know

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