单词	attosecond
释义	attosecondat‧to‧sec‧ond /ˈætəʊˌsekənd $ -toʊ-/ noun [countable] technical a unit of time that is equal to 10 to the power of minus 18
随便看	swan Swanee swank swanky Swan Lake Swansea swansong Swanson, Gloria swap swap meet SWAPO sward swarm swarthy swashbuckler swashbuckling swastika swat Swatch swatch swathe SWAT team sway swaybacked Swazi

英语词典包含52748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。