exterminate

v.消灭，消除a.外部的，外面的，外界的；客观的，物质的

ext, extant, extemporaneous, extemporaneously, extempore, extemporization, extemporisation, extemporize, extemporize, extemporise, extend, extended, extended family, extension, extensive, extensively, extensiveness, extent, extenuate, extenuating, extenuation, exterior, extermination, external, external evidence, external examination, external examiner (also external), externalize, externalize, externalise, externally, extinct, extinction, extinguish, extirpate, extirpation, extol, extort, extortion, extortionate, extortionately, extortioner, extortionist,