extemporize, extemporise

v [I] (fml 文) speak or perform extempore 即席讲话; 即兴表演: He had to extemporize because he had forgotten to bring his notes. 他因为忘了带讲稿, 只好即席发言.

expressiveness, expressly, expressway, expressway (also throughway), expropriate, expropriation, expulsion, expunge, expurgate, expurgation, exquisite, exquisitely, exquisiteness, ext, extant, extemporaneous, extemporaneously, extempore, extemporization, extemporisation, extemporize, 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, externalize, externalise,