extreme

a.极端的；尽头的 n.极端；(pl.)两极端

extra-curricular, extra-marital, extra-sensory perception, extract, extraction, extractor, extradite, extradition, extramural, extraneous, extraordinarily, extraordinary, extrapolate, extrapolation, extraterrestrial, extraterritorial, extravagance, extravagant, extravagantly, extravaganza, extremely, extremism, extremist, extremity, extricable, extricate, extrinsic, extroversion, extrovert, extroverted, extrude, extrusion, exuberance, exuberant, exuberantly, exudation, exude, exult, exultant, exultantly,