单词	mattress
释义	mattressmattress /ˈmætrɪs/ ●●○ noun [countable] Etymology ETYMOLOGYmattress Origin: 1200-1300 Old French materas, from Arabic matrah place where something is thrown Collocations COLLOCATIONS► firm mattress  a good firm mattress the soft part of a bed that you lie on:  a good firm mattress [Origin: 1200–1300 Old French materas, from Arabic matrah place where something is thrown]
随便看	slivovitz slob slobber sloe sloe gin slog slogan sloop slop slope slope-intercept form sloppily sloppiness sloppy sloppy joe slosh sloshed slot sloth slothful slothfully slothfulness slot machine slotted spoon slouch

英语词典包含48224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。