单词	self-activity
释义	self-activity noun self-ac·​tiv·​i·​ty ˌself-ˌak-ˈti-və-tē  : independent and especially self-determined activity Word History First Known Use 1644, in the meaning defined above
随便看	oafishlier oafishliest oafishly oafishness oafishnesses oafs Oahe, Lake Oahu Oahuan oahus oak oak apple oak beauty oak blight oak borer oak brown oak chestnut Oak Creek oak family oak fern Oak Forest oak fungus oak gall oak green oak lace bug

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