单词	impervious
释义	im·per·vi·ous (ĭm-pûrvē-əs) adj. 1. Incapable of being penetrated: a material impervious to water. 2. Incapable of being affected: impervious to fear. [From Latin impervius : in-, not; see IN-1 + pervius, pervious; see PERVIOUS.] im·pervi·ous·ly adv. im·pervi·ous·ness n.
随便看	swap meet swapper swaption sward sware swarf swarm swarm swarmer swarm spore swart swarth swarth swarthily swarthiness swarthy swash swashbuckle swashbuckler swash letter swastika swat swatch swath swathe

英语词典包含135693条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。