单词	amphicoelian
释义	amphicoelian adjective am·​phi·​coe·​li·​an ¦amfə¦sēlēən : amphicoelous Word History Etymology Late Greek amphikoilos + English -ian First Known Use 1842, in the meaning defined above
随便看	backside backsides backsight backsights backslap backslapped backslapper backslappers backslapping backslappings backslaps backslash backslashes backslid backslidden backslide backslider backsliders backslides backsliding backspace backspaced backspacer backspacers backspaces

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