单词	extemporaneous
释义	extemporaneousex‧tem‧po‧ra‧ne‧ous /ɪkˌstempəˈreɪniəs◂/ adjective formal Word Origin WORD ORIGINextemporaneous Origin: 1600-1700 Late Latin extemporaneus, from Latin ex tempore; ➔ EXTEMPORE Examples EXAMPLES FROM THE CORPUS She also has a distaste for policy debates, interviews, extemporaneous speeches and many other traditional obligations of a national leader. spoken or done without any preparation or practice SYN  impromptu:  an extemporaneous speech—extemporaneously adverb
随便看	Dulux duly Dumas, Alexandre Du Maurier, Daphne dumb dumbbell dumbfound dumbfounded dumbing down dumbly dumbness Dumbo dumbo dumb show dumbstruck dumb waiter dum-dum Dumfries and Galloway dummy dummy run dump dumper truck dumping dumping ground dumpling

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