单词	impregnable
释义	im·preg·na·ble 2 (ĭm-prĕgnə-bəl) adj. Capable of being impregnated. [IMPREGN(ATE) + -ABLE.]
随便看	Fourierite Fourier series Fourier transform four-in-hand four-leaf clover four-letter word four-o'clock four-peat fourpenny nail fourplex four-poster fourragère fourscore foursome foursquare foursquarely four-star fourteen fourteenth fourth fourth dimension fourth estate Fourth of July fourth quantum number fourth wall

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。