extremity

n.极端；绝境

extraction, extractor, extradite, extradition, extramural, extraneous, extraordinarily, extraordinary, extrapolate, extrapolation, extraterrestrial, extraterritorial, extravagance, extravagant, extravagantly, extravaganza, extreme, extremely, extremism, extremist, extricable, extricate, extrinsic, extroversion, extrovert, extroverted, extrude, extrusion, exuberance, exuberant, exuberantly, exudation, exude, exult, exultant, exultantly, exultation, eye, eye-bath, eye-catching,