单词	obturator
释义	obturator noun ob·​tu·​ra·​tor ˈäb-tyə-ˌrā-tər  -tə- : something (such as a prosthetic device) that closes or blocks up an opening (such as a fissure in the palate) Word History Etymology New Latin, from Latin obturare First Known Use circa 1741, in the meaning defined above Medical Definition obturator noun ob·​tu·​ra·​tor ˈäb-t(y)ə-ˌrāt-ər  1 a : either of two muscles arising from the obturator membrane and adjacent bony surfaces: (1) : obturator externus (2) : obturator internus b : obturator nerve 2 a : a prosthetic device that closes or blocks up an opening (as a fissure in the palate) b : a device that blocks the opening of an instrument (as a sigmoidoscope) that is being introduced into the body
随便看	double bogey double boiler double bond double bottom double brilliant double buggy double cabin double canon double capital double carom double centner double chair double chant double chin double chorus double circulation double cloth double coat double coconut double column double concerto double cone double consciousness double consonant double contraoctave

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