单词	hypotrochoid
释义	hypotrochoid noun hy·​po·​trochoid "+ : a plane curve traced by a point on the radius or extended radius but not on the circumference of a circle rolling on the inside of a fixed circle compare epitrochoid hypotrochoidal "+ adjective Word History Etymology hypo- + trochoid
随便看	agnoses agnosia agnosias agnosis agnostic agnosticism agnosticisms agnostics agnostid Agnostus Agnotozoic agnus agnus castus agnus castuses Agnus Dei ago agoer agoest agog agoge agoger agoges agogest agogger agoggest

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