单词	ad hoc
释义	ad hocad hoc /æd ˈhɒk◂ $ -ˈhɑːk◂,-ˈhoʊk◂/ adjective, adverb formal Word Origin WORD ORIGINad hoc Origin: 1600-1700 Latin ‘for this’ Examples EXAMPLES FROM OTHER DICTIONARIES An ad hoc committee has been set up to deal with the problem. Collocations COLLOCATIONS FROM THE ENTRY► ad hoc committee/group etc ► on an ad hoc basis  decisions made on an ad hoc basis not planned, but arranged or done only when necessaryad hoc committee/group etc decisions made on an ad hoc basis
随便看	tracheotomy tracing tracing paper track track and field trackback trackball tracker tracker dog track event trackie tracking tracking station track meet track record tracksuit tract tractability tractable traction tractor tractor-trailer Tracy, Spencer trad trade

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