extemporize

v.即席演说, 即兴演奏, 当场作成

expressively, expressiveness, expressly, expressway, expressway (also throughway), expropriate, expropriation, expulsion, expunge, expurgate, expurgation, exquisite, exquisitely, exquisiteness, ext, extant, extemporaneous, extemporaneously, extempore, extemporization, extemporisation, extemporize, extemporise, extend, extended, extended family, extension, extensive, extensively, extensiveness, extent, extenuate, extenuating, extenuation, exterior, exterminate, extermination, external, external evidence, external examination, external examiner (also external), externalize,