单词	alackaday
释义	alackaday interjection alack·​a·​day ə-ˈla-kə-ˌdā variants or less commonly alack the day archaic —used to express sorrow or deprecation Word History First Known Use 1658, in the meaning defined above
随便看	poroscopic poroscopy porose poroser poroses porosest Poroshenko porosimeter porosities porosity porous porous cell porous cup porous plaster porouser porousest porously porousness porousnesses porousser poroussest porpentine porpesses Porphyra Porphyraceae

英语词典包含469781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。