单词	butt hinge
释义	butt hinge noun : a hinge usually mortised flush into the edge of a door and its jamb Word History First Known Use 1765, in the meaning defined above
随便看	ionosphere ionospheres ionospheric ionospherically ionotropy Ionoxalis ions ionto- iontophoreses iontophoresis iontophoretic iontophoretically IOOF iora ios IoT iota iota adscript iota subscript iotacisms iotas IOU ious IOW Iowa

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