单词	mean spheroid
释义	mean spheroid noun : an imaginary spheroid which is commonly assumed to be an ellipsoid of revolution but may have three unequal axes, which coincides most nearly with the actual figure of the earth at the plane of sea level, and to which trigonometrical surveys are referred Word History First Known Use 1694, in the meaning defined above
随便看	section house section line section man section manager section off section paper section plane sectional sectional boiler sectional density sectional leaf cutting sectionalisation sectionalisations sectionalise sectionalised sectionalises sectionalising sectionalism sectionalisms sectionalist sectionalists sectionalization sectionalizations sectionalize sectionalized

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。